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Old 05-26-2019, 12:38 PM   #1
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Vacuflush leaking with weight

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This is a new one to me and I canít figure it out. I have one vacuflush head that when a, ahem, larger individual sits on it, it leaks from somewhere and gets all over the head floor.

I canít tell where it is coming from but wonder if it is some obvious issue that others have had. Iíve not had a lot of experience with vacuflush although the units I have are in really good condition.

It is hard to reproduce this but it has happened 5 times which is 5 too many.
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Old 05-26-2019, 01:13 PM   #2
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I'd try putting some dark color dye in the bowl then have the larger individual sit on it. Have someone watch to see where the dye shows up.
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Old 05-26-2019, 06:45 PM   #3
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Take the plastic cover off the toilet stem. You will see a large stainless clamp around the middle of the toilet. That has come loose. Tighten up the clamp screw that is on the clamp at the back of the toilet - REALLY tight, probably using a drill screw bit.

That should solve your issue.
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Old 05-26-2019, 09:07 PM   #4
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Before you go crazy tightening the clamp, buy a new gasket. The gasket set alone is $37. If you're buying a service kit either for the throne or the vacuum pump, the price is significantly cheaper compared to the individual parts.

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Old 05-26-2019, 10:24 PM   #5
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Quote:
Originally Posted by stevemitchell View Post
Attachment 89224

This is a new one to me and I canít figure it out. I have one vacuflush head that when a, ahem, larger individual sits on it, it leaks from somewhere and gets all over the head floor.

I canít tell where it is coming from but wonder if it is some obvious issue that others have had. Iíve not had a lot of experience with vacuflush although the units I have are in really good condition.

It is hard to reproduce this but it has happened 5 times which is 5 too many.

Are you sure it's the head that is leaking and not the aforementioned person of larger stature??
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Old 05-28-2019, 11:11 AM   #6
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Are you sure it's the head that is leaking and not the aforementioned person of larger stature??
HOLLYWOOD
There have been multiple people, including myself. I am not a small person, and I am most definitely not leaking!
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Old 05-28-2019, 11:13 AM   #7
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Originally Posted by menzies View Post
Take the plastic cover off the toilet stem. You will see a large stainless clamp around the middle of the toilet. That has come loose. Tighten up the clamp screw that is on the clamp at the back of the toilet - REALLY tight, probably using a drill screw bit.

That should solve your issue.
Aha, I hadn't even started taking things apart. I will see if that is the case.


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Before you go crazy tightening the clamp, buy a new gasket. The gasket set alone is $37. If you're buying a service kit either for the throne or the vacuum pump, the price is significantly cheaper compared to the individual parts.

Ted
This is one of the things on my list. The PO left no spares at all for the Vacuflush system, and I feel like I would want some It was installed only a couple of years ago and is in excellent condition, but I always, always want spares. If you have a suggested list/kit that would be wonderful to know. I have this on my list to order before big trips in June/July/August.


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I'd try putting some dark color dye in the bowl then have the larger individual sit on it. Have someone watch to see where the dye shows up.
Good idea if the above does not work!
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Old 05-28-2019, 11:21 AM   #8
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Make sure to fill your wallet before you go shopping for Vacuflush parts. I have heard they donít come cheap.
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Old 05-28-2019, 11:48 AM   #9
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You need to carry spare Vacu Flush (or any other toilet) parts on board, if you want a trouble free summer. Toilet parts in non metro areas can get very expensive or not available and a non functioning toilet can ruin a summer trip.

Learn to do preventive maintenance at home in the comfort of your home slip. That way when a toilet malfunctions, while cruising, you will be able to assess the problem and fix it yourself. As a matter of routine maintenance, I rebuild the Vacu-Flush toilet every 5 years and the Vacuume Generator every 10 years for a trouble free summer. We have 1 toilet only.

The boat next to us at Port Sidney had a malfunctioning Vacu-flush last summer. It cost him $775 Canadian to have a tech replace 4 duck bill's! It's at the most an 1 hour job and 4 duck bills are less than $75. They charged him $265 for the duck Bill's and the rest labor!

If you are near Seattle, Sonia at Marine Sanitation can put together a spares kit. She is very knowledgeable.

Vacu Flush spare parts:

Duck Bill's- 4

Bowl seal set - 1

Base seal - 1

Water valve - 1

Anti siphon valve - 1

Vacuume generator bellows kit - 1

Vacuume generator pressure switch - 1

Spare pump motor.

The further you go north (in the PNW) the more spares you need. If you have two toilets then less spares are needed.

And carry some Uncloric Acid (available at Marine Sanitation). It can dissolve calcium and other deposits in your sanitation system that may be preventing the duck Bill's from closing tight. It's also something I run through my system periodically to keep everything clean and running smooth. It dissolves everything organic without harming metal or rubber parts.

Full disclosure; I am a Sealand/Dometic dealer.
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Old 05-28-2019, 01:18 PM   #10
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You need to carry spare Vacu Flush (or any other toilet) parts on board, if you want a trouble free summer. Toilet parts in non metro areas can get very expensive or not available and a non functioning toilet can ruin a summer trip.
Thanks for the parts list. I do all of my own maintenance, which is why I am looking for a list/parts/details and wanted a list to purchase before any longer trips. That list will be perfect, and I will contact Marine Sanitation. Thanks!

The system was serviced right before I purchased the boat about 6 months ago, and it has run flawlessly except for this leak. I have two heads/units and two sets of pumps and everything else, so I have a bit of redundancy built in, but I want both working perfectly when I depart in June.
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Old 05-28-2019, 03:03 PM   #11
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Sylos
I just talked with Marine sanitation. They are the real deal and have a very helpful webste. I'll get one of their recommended kits, without motor. Thanks for the heads up.
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Old 05-28-2019, 03:17 PM   #12
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I just talked to Sonia at Marine sanitation. She does not want you to call her directly. She said maintenance kits are available on their web site. Prices are web prices and does not include talking to them.

I have these kits and individual parts. PM me.
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Old 05-28-2019, 03:40 PM   #13
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[QUOTE=syjos;769442]I just talked to Sonia at Marine sanitation. She does not want you to call her directly. She said maintenance kits are available on their web site. Prices are web prices and does not include talking to them.

I have these kits and individual parts. PM me.[/QUOTE

So why did you say call her then? Doesn't matter, I talked with another. A friendly voice helps guide one along. Especially when identification of unit is in doubt. I want to be sure parts are at store for pickup.
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Old 05-28-2019, 04:15 PM   #14
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I'd try putting some dark color dye in the bowl then have the larger individual sit on it. Have someone watch to see where the dye shows up.
From the op's description I'm guessing the effluent coloured water would do the same job.
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Old 05-28-2019, 04:34 PM   #15
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[QUOTE=sunchaser;769447]
Quote:
Originally Posted by syjos View Post
I just talked to Sonia at Marine sanitation. She does not want you to call her directly. She said maintenance kits are available on their web site. Prices are web prices and does not include talking to them.

I have these kits and individual parts. PM me.[/QUOTE

So why did you say call her then? Doesn't matter, I talked with another. A friendly voice helps guide one along. Especially when identification of unit is in doubt. I want to be sure parts are at store for pickup.
Sonia at Marine San. said she received too many phone calls today. She is the manager and prefers her employees to handle the routine calls. She gets involved if her people are unable to solve your problem.
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Old 05-28-2019, 04:53 PM   #16
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Hmm ok well I will not call her then

I agree on this stuff it is a lot easier to talk to someone to ensure youíre getting the right parts. Their website has decent info but it doesnít show enough detail for me to be confident I have the right parts when Iím arm-deep in crap in the middle of nowhere
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Old 05-28-2019, 06:07 PM   #17
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Hmm ok well I will not call her then

I agree on this stuff it is a lot easier to talk to someone to ensure youíre getting the right parts. Their website has decent info but it doesnít show enough detail for me to be confident I have the right parts when Iím arm-deep in crap in the middle of nowhere
You can call Marine Sanitation any time. Just don't ask for anyone specific and talk to the person that answers. Asking for Sonia apparantly cause a bottleneck of holds and delays.

Everyone at Marine Sanitation is equally qualified to answer your questions. Sonia has worked there the longest and is the go to person if you have a question that the others can not answer.

That's why you order the toilet parts in the comfort of your home, refurbish the toilet in your slip and have a carefree summer cruise.

I will try to answer any Sealand - Dometic - Vacu-flush toilet questions on the forum, when I see one.

All other brands, I defer to Peggy.
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Old 05-28-2019, 09:20 PM   #18
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This is one of the things on my list. The PO left no spares at all for the Vacuflush system, and I feel like I would want some It was installed only a couple of years ago and is in excellent condition, but I always, always want spares. If you have a suggested list/kit that would be wonderful to know. I have this on my list to order before big trips in June/July/August.
Looks like you have received some good advice on spares. If I may offer my thoughts on preventive maintenance.

If you wait for the system to fail, well you know what you will be working in. When I bought my boat, I overhauled all the components and replaced all the sanitation hose. Before I started, I flushed 30 gallons of fresh water with a touch of bleach, through each head. Working on the systems wasn't unpleasant. With that in mind, I have annual maintenance schedule which includes replacing the duck bills every year (I know they can last several). The pump bellows are on the 5 year rotation (I know they can last twice that long). Simply, I want to do maintenance when it's convenient for me after the system is throughly flushed. Others may relish cleaning up the aftermath of a failed bellows. Adopt a preventative maintenance schedule that seems realistic to you, and hopefully you'll never be cleaning up other people's poop.

Ted
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Old 05-28-2019, 09:51 PM   #19
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What he said

Quote:
Originally Posted by menzies View Post
Take the plastic cover off the toilet stem. You will see a large stainless clamp around the middle of the toilet. That has come loose. Tighten up the clamp screw that is on the clamp at the back of the toilet - REALLY tight, probably using a drill screw bit.

That should solve your issue.
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Old 05-28-2019, 10:00 PM   #20
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Looks like you have received some good advice on spares. If I may offer my thoughts on preventive maintenance.

If you wait for the system to fail, well you know what you will be working in. When I bought my boat, I overhauled all the components and replaced all the sanitation hose. Before I started, I flushed 30 gallons of fresh water with a touch of bleach, through each head. Working on the systems wasn't unpleasant. With that in mind, I have annual maintenance schedule which includes replacing the duck bills every year (I know they can last several). The pump bellows are on the 5 year rotation (I know they can last twice that long). Simply, I want to do maintenance when it's convenient for me after the system is throughly flushed. Others may relish cleaning up the aftermath of a failed bellows. Adopt a preventative maintenance schedule that seems realistic to you, and hopefully you'll never be cleaning up other people's poop.

Ted
Very good advice.

I use the uncloric acid mentioned earlier to clean a Vacu-flush system prior to taking it apart for any reason. I pour several gallons of mixed uncloric acid down the toilet with the pedal depressed until the acid reaches the top of the bowl. I let the pump run couple clicks to fill the vacuum generator with acid and top up the acid to the top of the bowl and let soak overnight. The acid will dissolve the calcium deposits from the toilet, toilet rim, hoses and vacuum generator without harming metal or rubber. Flush clean water through the system.

The toilet, hoses, pump and generator tank will be sparkling clean after this treatment, making working on the system pleasant. Scraping of the calcium from components is now unnecessary since the acid dissolves the calcium.

If you have not serviced your system in a while, 5 plus years, you might require a second day to dissolve the calcium. In that case, on the second day, run the vacuum pump a few more clicks to move acid through the system and to stir things. Top up the acid to the rim again and let it sit overnight.
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