Quote:
Originally Posted by buzzy
When I flush the master toilet, the water inlet valve in the guest toilet makes a whistling sound. Started about 6 months ago. Happens about 90% of the time. Does not happen when any faucet is running. Has anyone else dealt with this?
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If it was happening to the toilet you were flushing I would say replace the fill valve. But if it's happening in a secondary toilet I would just be taking a guess and say to check the toilet vents to make sure they don't have any debris in them.
Also maybe try shutting off the water on the secondary toilet then see what happens when you flush the master.