Practical Boat Owner

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Boat toilet troubleshooting: How to service a Jabsco toilet pump

Stu Davies

  • April 12, 2022

Boat owner and DIY expert Stu Davies explains how to service and maintain a Jabsco heads pump.

servicing-jabsco-boat-toilet-pump-PFRMJ4_320455912_509869111

The ubiquitous Jabsco loo pump. Photo: Dorling Kindersley Ltd/Alamy

Most modern mass produced yachts are fitted with Jabsco hand pumped boat toilets. They are cheap, simple and robust and can put up with a lot of abuse. On the flip side, they do need a bit of looking after, and there are a lot of misconceptions about them, as the many threads on the PBO forum show.

My Beneteau 381 is 18 years old now, and it came fitted with two Jabsco heads. I have recently removed one and replaced it with a Porta Potti so that I can comply with the requirement for a holding tank when she is in Southern Europe.

That leaves the one remaining Jabsco. I have overhauled it once in the time I have had the boat, but the old problem of the bowl filling up with the sea cocks open comes back on a regular basis.

As a general rule we try to keep the water on the outside of our boats, but a toilet brings a certain amount of seawater inside. The boat toilet is often mounted on or below the waterline, and this brings with it the risk that the sea can syphon in. There are a few ways to deal with this problem…

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How a boat toilet pump works

There is a large dual action hand pump at the side of the bowl which pumps fresh raw water in and raw sewage out at the same time.

A thumb valve on the top allows you to select whether to fill or empty the bowl. The usual procedure is to fill the bowl most of the way, then switch over to stop the raw water coming in and start to drain the bowl. The waste is sucked out of the bottom of the bowl and into the sea (where legal) or into a holding tank where appropriate.

The familiar T-handle that we push up and down is connected to a simple piston that has a fat O-ring on it to act as a seal or ‘piston ring’. This both draws water in and expels the waste, by way of a simple one way flap valve at the bottom of the hand pump.

servicing-jabsco-boat-toilet-pump-Practical-Toilet-pump_320630631_509869111

When the T-handle is pulled up, negative pressure at the base of the cylinder means sewage is sucked out of the bowl, past the flap valve at the base of the pump and into the pump cylinder.

Meanwhile the positive pressure at the top end of the pump is pushing the raw water through the little change over valve thumb lever in to the rim of the bowl.

When it is pushed down, the flap valve at the bottom closes and the bottom side of the pump piston pushes the raw sewage out of the pump cylinder, through the joker valve and out of the boat or to a holding tank.

At the same time the top side of the piston is sucking fresh raw water from the outside of the boat through one of the smaller pipes and thumb valve system to fill the top side of the pump cylinder ready for the up stroke again.

The Joker valve

No, it’s nothing to do with Alan (aha!) The Joker valve was originally intended to stop back flow and back-siphoning to the bowl. It is a piece of conical shaped rubber with three flaps that are supposed to compress together, much like our human heart valves, to make a one way valve, so that sewage can’t flow back.

At this point a little lesson on hydraulics: 27in height of water gives 1psi of pressure. So if the outlet pipe loop was 27in above the joker valve then a pressure of 1psi would be acting on the flaps of the joker valve to keep them closed and stop back syphoning. The slightest bit of contamination or scale on the flaps will prevent them sealing.

Beneteau 381

Stu Davies has an 18-year-old Beneteau 381 fitted with a Jabsco loo

How to maintain a Jabsco boat toilet

The problem with boat toilets is that urine reacts with the seawater to form calcified deposits, which slowly reduce the internal diameter of your piping over time – leading to the risk of blockages.

Worse still, as the internal valves become covered in salts, they stop sealing properly: the rubber O-ring in the piston starts squeaking and binding, and water starts back flowing in to the bowl. All this means your toilet pump will become less and less effective over time.

The squeaking and stiffness is easily cured: a bit of sunflower oil dropped into the bowl on a regular basis and pumped through lubricates it. Long term it is better to undo the plastic nut underneath the T-handle, withdraw the piston assembly and apply liberal quantities of Silicone grease – just don’t forget to close the seacocks first!

As a preventative measure, pumping at least six strokes every time on both the empty cycle and the flush cycle means that all urine is emptied out so that it doesn’t react with the seawater to produce hard salts to block the pipes and valves.

servicing-jabsco-toilet-pump-Jabsco-toilet.JPG_320243132_509869111

A standard dual-action Jabsco toilet pump and its location on the loo

What’s wrong with my boat toilet?

Water was gradually seeping into the bowl when the boat toilet was not in use – and while this only reached a certain level and stopped, it was worrying and a chore to keep pumping away.

I took the plunge and stripped the pump down: this was quite easy to do – a simple matter of four screws in the base and two in the joker valve housing, slacken the hose clips and off it comes to reveal the valves.

I found a small amount of scaling, but more important was the fact that the joker valve’s lips did not shut properly – and there is a depression in the flap valve that corresponds with the lip on the base of the pump that is supposed to be the seal. The flap was distorted – and that’s why water was syphoning back into the pump.

closed-thru-hulls_320246882_509869111

Ensure stop cocks are off before taking your loo apart

So from my experiences with my pumps I have learned the cure is to change the flap valves and clean up the interiors of the pumps. A kit can be bought for just over £20 from Jabsco Direct , or the flap valve can be bought alone for about £6 . My advice? Buy the kit and change as much as you can while it is stripped down.

With the pump apart, I cleaned up all the scale with vinegar and elbow grease and used scotch pads to clean up the plastic housings. Once all traces of scale were gone, the pump could be reassembled and the new valves could be put on. It’s obvious how to install them as both the flap valve and the joker valve can only be installed one way.

When screwing everything back together, be aware that the stainless screws are twin threaded self-tappers and have ‘quick’ threads. Put them in their place and hand twist them backwards until you feel a slight click.

This makes sure they are engaged in the original threads in the soft plastic housings. If you get it wrong they cut another thread which will then strip as you tighten it!

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servicing-jabsco-toilet-pump-3_cleanup-of-pump_320246901_509869111

Cleaning scale from the pump assembly

jabsco yacht toilette

Take care when reinstalling ‘quick thread’ screws so as not to strip the holes

Siphons and siphon breaks

Siphoning occurs when the water pressure outside the boat is higher than that inside – i.e. when the boat toilet is mounted on or below the waterline. All boats are different when it comes to loo plumbing, and the measures you need to take to prevent siphoning depend entirely on where the toilet is placed in relation to the waterline. If it’s above the water line, then the risk of siphoning is reduced.

Best practice is always to take a large loop in the pipes above the waterline – at least 200mm above both static and heeled waterlines is recommended – and to fit a siphon break to both the inlet and outlet pipes, rather than just relying on the pump’s valves to keep the sea out. Vented loops contain a simple valve that prevents water flowing back into the boat.

In an ideal world, you’d close the seacocks every time you’d finished with the toilet – but on modern boats these are often hidden behind the joinery and are left open all the time.

In the most simple installations such as mine the toilet bowl is placed high enough that even if the outlet water syphons back in, it still won’t overflow the bowl and so there isn’t a syphon break fitted.

servicing-jabsco-toilet-pump-spares-kit_320243122_509869111

Complete Jabsco service kit

Twist and lock

Jabsco brought out a modification some years ago that is designed to guard against flooding and waste backflow by locking the waste outlet valve shut – the handle is grey rather than the previous black, and secures with a twist.

Several years ago I bought the twist and lock conversion kit, and this puts an extension on the plunger piston that should push on the flap valve at the base of the pump to seal the bowl from the pump. It worked for a while – but problems can still occur if foreign matter, such as scale, clogs the valves.

servicing-jabsco-toilet-pump-7a_lid_rusty-lid-screws_320246922_509869111

Seat hinges were worse for wear

Mending and improving a boat toilet seat

My toilet is nearly 19 years old and the lid and seat were getting tatty. They are only held on by two 8mm plastic screws and a wing nut, so I removed them, rubbed them down with 80 grit abrasive paper and used a rattle can of matt white enamel paint to refurbish them.

The hinges are attached with plain steel screws – which had rusted. I had to drill them out and replace them with stainless steel, which took far more time than it should have done.

By the time I’d managed to remove the old screws, the holes were pretty shot, so I used Araldite to fill the holes as I was putting the stainless screws in. I just nipped them up until the Araldite had gone off then tightened them a touch more.

After putting everything back together, the seat looks like new, and best of all, the new set of seals has cured the siphoning problem.

servicing-jabsco-toilet-pump-7b_lid_drilling-old-screws_320246932_509869111

Rusted hinge screws had to be drilled out..

servicing-jabsco-toilet-pump-7c_lid_holes-after-screw-remove_320246941_509869111

…leaving oversize holes which Stu filled with epoxy before replacing with new stainless steel screws

servicing-jabsco-toilet-pump-7e_lid_rattlecan-painter_320246952_509869111

Respray tidies up toilet seat

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jabsco yacht toilette

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Jabsco 37010 Series, Electric Marine Toilet, Boating Head

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Jabsco 37010 Series, Electric Marine Toilet, Boating Head

Price: $488.75$488.75 - $549.42$549.42

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Product details

About this item.

  • Self-priming rinse pump designed to bring sea, river or lake water into the bowl
  • Flexible design suitable for overboad or holding tank discharge
  • Built-in backflow preventer guards against flooding and waste return
  • Can be mounted 3' (1m) above or below the waterline with appropriate plumbing
  • For us with sea, river, or lake water only
  • Corrosion-resistant materials throughout permit fresh or walt water service

Customers who viewed this item also viewed

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Product guides and documents

  • Product Dimensions ‏ : ‎ 23 x 21 x 17 inches; 27 Pounds
  • Item model number ‏ : ‎ 37010-3092
  • Department ‏ : ‎ unisex-adult
  • Date First Available ‏ : ‎ April 23, 2018
  • Manufacturer ‏ : ‎ Flow Control, LLC
  • ASIN ‏ : ‎ B07CKTW2K4
  • #1 in Boat Heads

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Product Description

  • An integral self-priming rinse pump designed to bring sea, river or lake water into the bowl comes standard
  • A flexible design makes it suitable for overboard or holding tank discharge
  • A built-in backflow preventer guards against flooding and waste return
  • Corrosion-resistant materials throughout permit fresh or salt water service
  • For use with sea, river or lake water only

Customer reviews

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Customers say

Customers like the performance, ease of installation, size and value of the toilet. For example, they mention it works great, it's easy to install and that it'll fit a full size adult. That said, some complain it'd be better if it wasn't so noisy.

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Customers are satisfied with the performance of the toilet. They mention that it works great and is fine.

"... Works great " Read more

"Great toilet! Works well and easy to install." Read more

"Bought this two years ago and has worked flawlessly . Highly Recommend." Read more

"...The Macerator is alittle noisy, but does the job just fine ...." Read more

Customers find the installation of the toilet to be easy and straightforward. They also mention that the wiring is simple and getting the pipes to match up is straightforward.

"...loud but as long as it does the job its fine for me, installing was very straight foward .wiring simple, getting the pipes to match up to the size of..." Read more

"Great toilet! Works well and easy to install ." Read more

" Easy install . Value for money. Happy wife, happy life!" Read more

" Easy install works great " Read more

Customers like the size of the toilet. They say it's compact and usable for a full size adult.

"...size because I was afraid that the larger one would not fit, its an ok size , large enough to get your business done , it is pretty loud but as long..." Read more

"...The larger size is about the size of a small residential toilet. Very compact and usable for a full size adult.Yes it’s noises when you flush...." Read more

"This is not small and it is perfect for cabin cruisers. The quality is good, but its a bit on the noisy side." Read more

"Love that it is almost a normal sized toilet for a boat! Finally!!!..." Read more

Customers appreciate the value of the toilet.

"Easy install. Value for money . Happy wife, happy life!" Read more

" Great value ..." Read more

" Great Value ..." Read more

Customers are dissatisfied with the noise produced by the toilet. They mention that the quality is good, but it's a bit on the noisy side.

"...its an ok size , large enough to get your business done , it is pretty loud but as long as it does the job its fine for me, installing was very..." Read more

"...sea water pump for flush water and a meet grinder built in so, yes, a bit noisy .Very happy." Read more

"...The Macerator is alittle noisy , but does the job just fine...." Read more

"...The quality is good, but its a bit on the noisy side ." Read more

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What are the key features of a Jabsco marine toilet that make it suitable for use on boats?

A Jabsco marine toilet is suitable for use on boats due to its robust pump mechanism, which ensures efficient flushing and waste discharge. The Jabsco manual toilet features a reliable control valve that allows precise management of the flush cycle. Available in both regular and compact bowl sizes, these marine toilets offer flexibility to fit various spaces, while the sturdy base and durable assembly ensure stability and longevity in the marine environment.

How does the pump mechanism in a Jabsco manual toilet operate to ensure efficient flushing

The pump mechanism in a Jabsco manual toilet operates by creating a powerful vacuum that efficiently pulls waste from the bowl and discharges it through the valve assembly. This design ensures that the toilet remains clean to use and prevents any scratch or discolour. As part of the world's best seller in marine toilets, the Jabsco manual toilet, available in both regular bowl and household size options, offers a complete and reliable solution for boat owners seeking top performance and durability.

How does the valve control in a Jabsco marine toilet regulate the flushing process?

The valve control in a Jabsco marine toilet regulates the flushing process by allowing the user to manage the intake and discharge of water effectively. This precise control ensures efficient and thorough flushing, maintaining hygiene and preventing blockages. As part of the expert selection of Jabsco marine toilets , these components are designed to provide reliable performance and are supported by a wide range of spares and accessories to keep your marine toilet in top condition.

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jabsco yacht toilette

37010-3092 TOILET 12V - COMPACT BOWL

  • Connections:   - for 19mm ( ¾”) bore inlet hose, 25mm (1“) bore discharge hose
  • Dimensions:   - 355mm high, 352mm wide, 451mm deep
  • Fuse Size:  - 25(amp)
  • Maximum Current:  - 16(amps)
  • Baked enamel Seat & cover
  • Flexible Impeller Flush Pump
  • Xylem Product Page
  • https://www.xylem.com/en-uk/products--services/pumps-packaged-pump-systems/packaged-solutions/marine-toilets/electric-marine-toilet/
  • Packaged Dimensions: L:54.00 x H:54.00 x W:50.00cm
  • Actual Weight: 14.50 Kg  (Approx. 15.50 Kg packed)

jabsco yacht toilette

jabsco yacht toilette

KeyDescriptionQuantity Reqd.
Per Product
In StockPrice Each
ex. VAT
 
1SEAT AND LID - COMPACT SIZE
Wooden - Includes Hinges
1 £ 54.94
1AHINGE SET - For wooden Seat/Lid Assy
For the compact bowl manual and electric toilets
1 £ 9.60
2TOILET BOWL - COMPACT SIZE
New design - post 2016 toilets. Flat edge at the back and Jabsco logo.
1 £ 99.87
3 & 4INTAKE SEAL AND ELBOW KIT1 £ 17.36
5 2
6HOSE1 £ 6.27
7BOWL MOUNTING KIT
Contains Parts 7A-E
1 £ 17.60
7A 4
7B 4
7C 4
7D 4
7E 4
8GASKET for base with Vertical Sides
Flat circular gasket
1 £ 4.65
8GASKET for base with Sloping Sides
O' Ring Gasket
1 £ 5.46
9BASE
Contains - Base, Joker Valve & Discharge Port
Note: Discharge port supplied with this base does not fit 37075 or 37275 toilets. Use discharge port 37077-1000
1 £ 109.07
10TOILET HOSE ADAPTOR
1" (25mm) to 1.5" (38mm)
1 £ 13.87
11JOKER VALVE
For the 37010 series electric toilet, 37045 & 37245 Quiet Flush electric toilets, 37075 & 37275 Designer Style toilets.
1 £ 6.94
12DISCHARGE PORT1 £ 7.74
13SELF TAPPING SCREW - 3PK3 £ 3.99
14CHOPPER AND LOCK NUT KIT
For marine toilets - 37010, 37045, 37245, 37275, 37075 series
1 £ 8.67
15MACERATOR HOUSING1 £ 24.55
16IMPELLER
Centrifugal impeller for the 37010, 37275, 37045 and 37245 series electric toilet
1 £ 24.27
17SCREW1 £ 7.46
18O RING
Wearplate o-ring for the 37010, 37045, 37245, 37075, 37275 toilets.
1 £ 2.80
19 1
20SCREW2 £ 0.00
21SCREW2 £ 0.00
22WASHER2 £ 1.74
23WEARPLATE/SEAL KIT (37010 series)
Contains wearplate, sealing sleeve and o-ring
1 £ 34.67
24 4
25SCREW (4 Pk)1 £ 2.13
26GASKET1 £ 2.80
27IMPELLER-NITRILE1 £ 29.33
28BODY1 £ 67.40
29SEAL
Replaced by 1040-0000
1 £ 17.19
30SLINGER - 3 per pack1 £ 13.33
31MOTOR 12V1 £ 252.03
32 2
33SWITCH FOR 37010 series 12V/24V TOILETS1 £ 57.07
34MOTOR COVER1 £ 24.93
WEARPLATE1 £ 0.00
SERVICE KIT FOR 37010 SERIES TOILET
Contains: Joker valve (11), Wearplate (23), Seal (19), Impeller (27), ‘O’ Ring (18), Gasket (26), Washer (22) and the Bowl to base gasket (8)
1 £ 75.07
COMPLETE PUMP AND MOTOR ASSY 12V (keys 14-31)
For the 37010 series electric toilet with single black flush button.
1 £ 405.37

JabscoShop is operated by Cleghorn Waring which is a division of Xylem Water Solutions UK Ltd. Registered England No. 00479504. Registered Office: No1 Roadway, Colwick Ind. Est., Colwick, Nottingham, NG4 2AN

© 2024 Cleghorn Waring. All rights reserved.

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How to identify my Jabsco manual toilet -H31

  • Thread starter rafip
  • Start date May 23, 2013
  • Hunter Owner Forums
  • Mid-Size Boats

My Jabsco manual toilet is leaking from the top of the pump when pumping. I tried to purchase a repair kit but there are a few depending on the toilet. I am not sure if this is the original toilet or it was replaced by the previous owner. Is there a way to determine the repair kit I need? There are 3 different Jabsco kits: 29045-0000, 29045-2000, 29045-30000. I heard that the label color may be an indicator. See pic. Thanks  

Attachments

Jabsco.jpg

Here is something from Jamestown Distributors that speaks to your question. : STEVEN S: Hi Owen, Does your head still have the stickers by the pump handle? I have a 1988 Newport. The previous owner mentioned that he replaced the head at some point. I knew it was not the twist -n-lock model as that was 2007 to present. I gambled that it was a 1998 or newer model. When the service kit package (29045-2000) came there was a sticker on the package that shows the 3 models. The picture shows a rectangular red sticker by the pump handle on the 1986-1997 models. The 1998-2007 model has a lighter blue oval with a dark blue arrow and white letters which matched my head. I am not sure why they do not show this info in the catalog. Hope this info helps you identify your model. Steve Oct 12, 2011 Reply to STEVEN From what i see, yours is not a twist lock and has the blue sticker so it is probably a '98-'07 model. I found that I could buy the whole pump for about what the repair kit costs ..I think you can put in a new twist lock upgrade on your base with no problem, but ya need to research that one a little .. Maybe call Jabsco and ask.. I took the little pump shaft lip seal out to a bearing supply place (like Motion Industries) and bought 3 of 'em for a few dollars. This one comes with a new base gasket and joker valve. http://www.ebay.com/itm/Jabsco-Manu..._Accessories_Gear&hash=item3380e79565&vxp=mtr I rebuilt my other pump and have it as a ready spare.  

Sailm8

Got tired of working on our Jabsco. We named it "John Wayne" because it wouldn't take S##T from anyone. Bought a Raritan from this site. I bought the entire replacement pump on our 1996 model Jabsco that converted to the twist lock. Went almost 6 months before I needed to repair it. I was all set to convert to the Raritan pump they sell on this site for about $220 when the bowl cracked. Had to buy a new complete toilet hence the Raritan.  

Rick D

Jabsco Pump Yes, you are better off replacing the pump assembly. In my opinion, the newer twist-lock pumps seem to be of a higher quality. There is a problem with rebuilding which may already be a problem in your pump. the fasteners holding the top of the pump cover to the bottom often fracture and result in leaking from the seam. this can occur even if you are very careful. I suggest searching on this site since I believe they can ship to you, or check carefully local sources where you are. Pump assemblies can generally be had for about the same price as a rebuild kit. Good luck!  

Dave Groshong

Dave Groshong

You can keep your bowl and upgrade to a Raritan pump, it's really a great way to go, thanks to the Head Mistress Peggy Hall: http://shop.hunterowners.com/prod.php?52006 If you don't want to mess with the constant yearly failure of the Jabsco Compact head, the Raritan PHII pump is far superior and super reliable.  

The Jabsco kits depend on the year the head was built: http://shop.hunterowners.com/prod.php?15588  

FastOlson

Location, Location... ... not sure you guys noticed, but unless there is two of them, our friend is on the central coast of Israel. I'm sure Dave can ship there but it might be some expense.  

Thanks Rick, we do ship to Israel, even more reason to just order the Raritan base and pump and re-use the bowl. http://shop.hunterowners.com/prod.php?52006 Cost to ship to Israel is about $116  

Thank You all. I have decided to go with the Jabsco Twist&Lock unit 29040-3000, hoping it will fit my existing toilet. I am not sure paying 3 times for the Raritan unit is worth it. My existing Jabsco unit lasted for 15 years without any mintenance, with moderate usage. BTW, this Jabsco unit is used on all charter boats I have been sailing in Greece recently. Regarding shipping costs to Israel, that is an issue, but I work around it by ordering the parts to a US address and bringing them with me or a friend who travels. Again, thanks to you all.  

rafip said: Thank You all. I have decided to go with the Jabsco Twist&Lock unit 29040-3000, hoping it will fit my existing toilet. I am not sure paying 3 times for the Raritan unit is worth it. My existing Jabsco unit lasted for 15 years without any mintenance, with moderate usage. BTW, this Jabsco unit is used on all charter boats I have been sailing in Greece recently. Regarding shipping costs to Israel, that is an issue, but I work around it by ordering the parts to a US address and bringing them with me or a friend who travels. Again, thanks to you all. Click to expand
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31-03-2017, 09:45  
Boat: Hanse, 400e - 40ft
and I'm going through the various systems... so far so good!

One issue I'd love some expert on is my .
1. Emptying the bowl is working perfectly.
2. Filling the bowl for is a no go.
a) Yes, the flush control lever is in the open position
b) Yes, the seacock is open

Handle pumps just fine and I hear air, but no comes in.
I've pumped it for quite a bit (~30 times) assuming it needed to "prime" since it's been dry for so long.

From reading the manual, I've deduced the most likely culprit is the "Top Valve Gasket"

Before I go out and buy said I was hoping for some thoughts from our learned members!


Thank you in advance,
31-03-2017, 10:03  
Boat: PDQ Altair, 32/34
on is my .
1. Emptying the bowl is working perfectly.
2. Filling the bowl for is a no go.
a) Yes, the flush control lever is in the open position
b) Yes, the seacock is open

Handle pumps just fine and I hear air, but no water comes in.
I've pumped it for quite a bit (~30 times) assuming it needed to "prime" since it's been dry for so long.

From reading the manual, I've deduced the most likely culprit is the "Top Valve Gasket"

Before I go out and buy said I was hoping for some thoughts from our learned members!


Thank you in advance,
31-03-2017, 10:11  
Boat: Camano Troll
the toilet, I would make sure water is getting to it. If the intake to the toilet is below the waterline, remove the hose and see if water flows.


If it doesn't, there's a blockage. If it does, the problem is with the toilet.


You can buy the entire pump assembly for about $70 and it's very easy to install. This gives you a brand new toilet except fot the bowl, seat and base.
31-03-2017, 10:17  
Boat: Hanse, 400e - 40ft
31-03-2017, 10:18  
Boat: Hanse, 400e - 40ft
31-03-2017, 10:29  
Boat: Camano Troll
31-03-2017, 10:37  
, that puts a pucker in the top valve gasket (part # 21 on the exploded drawing) , which would prevent the pump from being able to bring in any water.

Peggie

31-03-2017, 11:04  
Boat: Hanse, 400e - 40ft
(no pun intended) was at!
I'll post the solution once it's working!
31-03-2017, 12:07  
Boat: Beneteau First 42
31-03-2017, 13:58  
Boat: Hanse, 400e - 40ft
31-03-2017, 14:51  
Boat: Ontario32
31-03-2017, 15:07  
Boat: Hanse, 400e - 40ft
01-04-2017, 14:14  
Boat: Pearson 367 cutter, 36'
(after fixing it in July 2015), and when I started the I discovered my macerator was also dead. Further investigation revealed a cracked pump housing. At that point, I decided to replace the whole ungodly mess with a composting toilet, and I have never looked back. I just completed a five-day movement from Southport, NC to Amelia Island, FL, and I love my composting toilet.

Just sayin'.
01-04-2017, 17:05  
Boat: C.L.O.D.
01-04-2017, 17:18  
Boat: Beneteau 461 47'
 
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Tupolev TU-144

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Crash of a Tupolev TU-144D in Kladkovo: 2 killed

jabsco yacht toilette

The Unique Burial of a Child of Early Scythian Time at the Cemetery of Saryg-Bulun (Tuva)

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Pages:  379-406

In 1988, the Tuvan Archaeological Expedition (led by M. E. Kilunovskaya and V. A. Semenov) discovered a unique burial of the early Iron Age at Saryg-Bulun in Central Tuva. There are two burial mounds of the Aldy-Bel culture dated by 7th century BC. Within the barrows, which adjoined one another, forming a figure-of-eight, there were discovered 7 burials, from which a representative collection of artifacts was recovered. Burial 5 was the most unique, it was found in a coffin made of a larch trunk, with a tightly closed lid. Due to the preservative properties of larch and lack of air access, the coffin contained a well-preserved mummy of a child with an accompanying set of grave goods. The interred individual retained the skin on his face and had a leather headdress painted with red pigment and a coat, sewn from jerboa fur. The coat was belted with a leather belt with bronze ornaments and buckles. Besides that, a leather quiver with arrows with the shafts decorated with painted ornaments, fully preserved battle pick and a bow were buried in the coffin. Unexpectedly, the full-genomic analysis, showed that the individual was female. This fact opens a new aspect in the study of the social history of the Scythian society and perhaps brings us back to the myth of the Amazons, discussed by Herodotus. Of course, this discovery is unique in its preservation for the Scythian culture of Tuva and requires careful study and conservation.

Keywords: Tuva, Early Iron Age, early Scythian period, Aldy-Bel culture, barrow, burial in the coffin, mummy, full genome sequencing, aDNA

Information about authors: Marina Kilunovskaya (Saint Petersburg, Russian Federation). Candidate of Historical Sciences. Institute for the History of Material Culture of the Russian Academy of Sciences. Dvortsovaya Emb., 18, Saint Petersburg, 191186, Russian Federation E-mail: [email protected] Vladimir Semenov (Saint Petersburg, Russian Federation). Candidate of Historical Sciences. Institute for the History of Material Culture of the Russian Academy of Sciences. Dvortsovaya Emb., 18, Saint Petersburg, 191186, Russian Federation E-mail: [email protected] Varvara Busova  (Moscow, Russian Federation).  (Saint Petersburg, Russian Federation). Institute for the History of Material Culture of the Russian Academy of Sciences.  Dvortsovaya Emb., 18, Saint Petersburg, 191186, Russian Federation E-mail:  [email protected] Kharis Mustafin  (Moscow, Russian Federation). Candidate of Technical Sciences. Moscow Institute of Physics and Technology.  Institutsky Lane, 9, Dolgoprudny, 141701, Moscow Oblast, Russian Federation E-mail:  [email protected] Irina Alborova  (Moscow, Russian Federation). Candidate of Biological Sciences. Moscow Institute of Physics and Technology.  Institutsky Lane, 9, Dolgoprudny, 141701, Moscow Oblast, Russian Federation E-mail:  [email protected] Alina Matzvai  (Moscow, Russian Federation). Moscow Institute of Physics and Technology.  Institutsky Lane, 9, Dolgoprudny, 141701, Moscow Oblast, Russian Federation E-mail:  [email protected]

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