Dump valve replacement gone bad
I was mostly concerned about how to get a new dump valve in place with seals intact between two immovable objects until I tried to remove the faulty one, which I did not succeed. After removing the 4...
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Halmfamily wrote:therink wrote:
If it were me and I couldn't loosen the drain pipe enough to get flex to unseat the valve, I would likely cut the 3" drain pipe with a saw and reconnect using a 3" fernco connector.
The use of aluminum flashing between the valve seats to remove and reinstall is good advice.
This is how I replaced my 3" valve. Much easier to do if you need access in the future, loosen the two clamps and pull the pipe apart.
This is what I did too. The other advantage is you can control the tightness of the valve connection (i.e. the pressure from the 3" pipe which squeezes the valve housing) to ensure it isn't difficult to open.
