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Check Valves for self bailing


TommyG

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20 hours ago, tribbsa said:

I just disassembled the valves and replaced the flapper which is much easier than replacing the entire valve.

Exactly!!! That's why I asked what was inside. Those flappers get brittle and sometimes they start to warp. Replacing the flapper is much easier and cheaper than replacing the whole valve.

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I went to TH Marine web-site and didn't see the flappers. I wonder if they could be bought separately? My old bay boat had flappers in the drains, but they were attached to the thru-hull fitting on the outside of the boat. Very easy to change out, but they were Perko. Anytime I had a problem with them not sealing, I would look on the outside at the flapper and 9 out of 10 times it was a piece of mono line. Doesn't take much to cause them not to seal.

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The in-line check vales are T-H Marine 1 1/2 check valves, I was able to replace one side and it was packed with nasty vegetation and the flapper was warped.  I have not been able to get to the other one yet as the space is tight.  I was considering doing to bigger T-H marine hatch, and this is even more reason why I will.

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