Quote:
Originally Posted by Keystone half ton
I have a Montana 3791rd my black tank valve is leaking out when closed, my camper is on a permanent lot it lt has a Bristol valve from what I’m hearing I should change it out with a valterra are they the same measurements as I wouldn’t have a problem replacing it if so what one should I use
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My last couple 5ers had a few feet of piping from the valve to the drain connection that held waste water, always thoght the valves were leaking. After replacing seals & trying everything else I just added the cap shown below to the rv sewer connection, connected the sewer end of the hose 1st then open that small cap over the oven hose, usually drained about a quart.