Thanks for the explanation. Now, I understand the concept on the intake
side. The Groco diagram does show this but I threw it away just before I
started the installation and did the plumbing as per the old head which
did have an intake vented loop. So much for reading instructions:)

Rich Cassano

Peggie Hall wrote:
> Richard Cassano wrote:
>> Yes, I agree with the Good Doctor. I have a Groco K-H head and
>> initially placed a vented loop on the saltwater intake side between
>> intake through hull and pump. ...
>
> Groco Models EB (discontinued) and K, and W-C Skipper, Imperial toilets
> do not need intake vented loops. These toilets have separate intake and
> discharge mechanisms...the discharge is a pump, but the intake
> isn't...it's a valve that's operated by a foot pedal. When the valve is
> closed, the flow of incoming water is blocked, eliminating the need for
> any siphon break.
>

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Received on Thu May 31 13:35:01 2007