Pearson Boats - Common Systems > Plumbing and Galley Systems

Head vented loop

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Valor:
Hi Everyone,

So my toilet is shot. Replacement parts almost get me to the price of a new one since its an older unit. As i was poking around trying to understand how Pearson did things the way they did, I realized there is no vented loop from toilet to tank. Unless i am totally misunderstanding how plumbing works on a boat, If the waste tank is mounted higher then the toilet, you should have a vented loop to prevent backflow from the tank into the toilet. Am I missing something here? Does anyone out there have a vented loop from toilet to tank or is one really not needed? Thank you in advance.

Cheers,
Michael M

popeye323:
On my 1982 323 I have a vented loop. It is located in the V-berth on the starboard side sandwiched between the 3 storage cubby holes and the bulkhead that separated the V-berth and the head. it is up high, almost deck high. It is not visible unless you take all the storage cubby holes apart.

Valor:
Take it apart? There are 6 screws that hold the small pieces of teak onto the cubbies. The rest looks like its part of the
 v-berth liner. If you could advise how this is done, I would really appreciate it. Thanks.

Michael

popeye323:
Hi

There is a definitely a vented loop in that area but it's been a few years since I have had it apart so I will take another look at it over the weekend, just to double check the information I am giving you is correct.

Steve

Rusty Pelican:
The vented loop is 2 3/4 " but the poop pipe is 2 1/2 ,something like that.
The original pipe had a fitting to accommodate the larger vented loop.
I have replaced the poop pipe twice.
The trick is to get the white sanitation pipe, hit the end of the pipe with a heat gun, gently. The pipe reacts to heat very quickly, so go easy, then smoosh it onto the vented loop.

 

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