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fluidmaster toilet valves again
On Tue, 13 Dec 2005 03:46:15 GMT, "jaynews"
wrote: I've been unable to solve the low pitched "thunk" noise (vibrating pipes) that happens when the Fluidmaster 400a shuts off the water after a flush. I tried reducing the flow at the shutoff valve, but then I got a worse type of problem of an oscillating bang caused when the toilet shutoff valve closed beyond a certain point. I tried shutting off the water altogether and draining the pipes but that didn't help. It seems a cost effective solution would be for me to replace the darn Fluidmaster valve with a Korky Quietfill valve (which does not cause hammer). Only thing is I hate to having to waste the time replacing the valve just because of, what, in my opinion, was a bad design choice (if it's really true that the pipes are being harmed by the abrupt shutoff of the Fluidmaster.) According to the Fluidmaster website, they make a "whisper" model that supposedly mitigates water hammer (albeit with a slower fill). I'm wondering if a good quick fix could be done by swapping the top part of a "whisper" model??? Or, is there is any other inexpensive modification I could make to the Fluidmaster that would accomplish the same thing (WITHOUT having to drain the tank and remove whole)??? (and, no, I don't think it makes any sense have a "hammer arrestor" installed is much more expensive than simply replacing the toilet valve) Thanks, J. I'm assuming you have city water. There is supposed to be an arrestor at the meter. But you may need another one near the toilet supply pipe. It's not that hard to install an arrestor, but you are correct tht its cheaper and easier to just change the toilet Fluidmaster. Maybe one of the old style ballcocks with a float would be better for you. They are cheap, and its not all that hard to change it since you wont have all the rusted junk to deal with. The float types shut off slowly. But, you really should have an arrestor at the meter either way. Mark |
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