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Old 06-25-2017, 09:44 AM   #1
gruehle
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Cougar 327 RES Vacuum Breaker

My vacuum breaker is leaking. It's located under my sink. I am not near a dealer. What is the best way to repair/replace? After I drain the water lines, do I just disconnect the two white hoses going to the breaker and then simply get a new one? It's not easy to get to.
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Old 06-25-2017, 10:08 AM   #2
jsmith948
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Some of us have simply replaced the breaker with a double male compression elbow. Then use an anti syphon valve at the flush inlet connection.
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Old 06-25-2017, 10:29 AM   #3
JRTJH
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The anti-siphon valve (vacuum breaker) is the WEAKEST LINK in the black tank flush system. It's fragile, easy to overpressureize, fragile, unable to withstand freezing, fragile, located in a place where leaks are damaging if not noticed rapidly, fragile and it break easily.... Oh did I mention that it is fragile ????

Replacements from an RV dealership will be the same type component with the same "problems"... (fragile).... There are some replacement components available in the "underground irrigation section" of most home improvement stores, or, as indicated above, just get two elbows and a short threaded union and make your own. Just remember to add that anti-siphon valve to the end of your "black tank flush hose" that you use to connect to the trailer when you flush.... Otherwise, you risk siphoning black tank contents back to your water supply at the faucet. YECHT !!!
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Old 06-26-2017, 09:03 AM   #4
gruehle
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Do you have photos of your set-up. I would not want to make a mistake and have black water flowing to the wrong places.
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