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Hammer Time
There is a "slamming" when the toilet valve shuts off. I recently replaced floating arms in both our toilets with floating cup ball cocks. Now, when the water shuts off, the valve slams shut hard and it sounds like water hammer. What should I do?
John
If it sounds like a water hammer it probably is. This is not uncommon when a brand new valve is installed. Open the valve by removing a few screws, lubricate the gasket and replace. Do this on both valves. If rubber-gasket lube isn't enough, install an air chamber (shock absorbers) at each of the toilet supply pipes. If you would like to find more out about air chambers, type "air chamber" into our search engine.
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