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Old 08-13-2007, 03:47 PM   #1
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1975 31' Sovereign
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Toilet vacuum breaker

Does anyone have a source for the small, round gasket in the Aqua-Magic toilet vacuum breaker from the 70's? It's similar to regular faucet gaskets, but thinner and softer. In desperation I'll cut one out of vinyl shower base liner and see if that works. I looked on Inland RV's and PPL Motor Homes site and the part isn't mentioned.

I know I've seen this part listed somewhere.

Zep
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Old 08-13-2007, 04:26 PM   #2
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vacuum breaker washer

i had one in the Argosy get stuck in the air holes in the top. The washer was real flexible and a bit sticky. I think that high pressure shore water caused it it to get stuck. I've replaced it with a washer that worked on testing it with the toilet out of the unit. I worked through a couple from the hardware store and found one to work. Being able to hook it up to the garden hose, out of the unit was real helpful.
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Old 08-13-2007, 05:40 PM   #3
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Vacuum breaker??

Zep,
When I saw that heading, I thought the toilet came with you when you stood up
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Old 08-13-2007, 07:12 PM   #4
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Quote:
Originally Posted by Fyrzowt
Zep,
When I saw that heading, I thought the toilet came with you when you stood up
I admit I've thought real hard on how to duplicate the apocryphal airline story [of getting stuck to the toilet] on the ground, but I've never been able to hide the 3" vacuum hose leading up to the seat! Besides, when you are the type to generate thrust in this situation, you never have to worry about getting stuck...

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Old 08-14-2007, 12:01 AM   #5
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Quote:
Originally Posted by Zeppelinium
I admit I've thought real hard on how to duplicate the apocryphal airline story [of getting stuck to the toilet] on the ground, but I've never been able to hide the 3" vacuum hose leading up to the seat! Besides, when you are the type to generate thrust in this situation, you never have to worry about getting stuck...

Zep
LOL
Sounds like a defect of the afterburner

Back on topic, I hope your question was answered...
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Old 09-07-2007, 05:05 PM   #6
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toilet fixed

Only took inifinity plus 1 trips to HD and local pro plumbing shops! You can get a full vacuum breaker repair kit on eBay for $12.95, but I'd rather make a zillion trips and even drive to Denver, but that's another story...

OK, found the washers in the specialty bolts, etc., section, not in the regular plumbing area of HD. You get three perfect neoprene washers in the package. They fit the plastic shaft that slides down into the input side of the valve. You can see the old, hard washer and the bare shaft at the top of the photo.

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As it turned out, once the washer was installed, I found out that the O-ring had deteriorated (took very close inspection to notice it) and the whole valve top leaked under pressure. The O-ring size measures 3.25" in diameter, but it turns out that that size is tight around the groove in the lid. A 3.5" diameter (3/32" thickness) O-ring is perfect. I bought them for about $0.75 each at a specialty shop in Denver. You can buy them from several places on the web for $0.50 each, plus shipping.

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The circular spring clamps couldn't hold the plastic pipes on the valve and toilet stems when subjected to street water pressure (near 100 psi), so I bought some small hose clamps (the slotted metal with adjusting screw kind) to really clamp them on. Worked great.

Note that the vacuum breaker valve has two arms sticking out one side--they are the toilet-side part of the seat hinge. You need to take the seat and lid off, plus two screws on the inside of the toilet, to get the vacuum breaker out. Makes sense to someone, I'm sure.

Does anyone have a source for these seat buttons? I noticed that on this toilet from a 75 Sovereign there are 4, but in the 1977 Safari the same toilet has 6. Are we getting heavier?

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