Hammer Fixing

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Hammer Fixing
How do you fix a water hammer?

Well...atleast thats what I think it is. I looked up what the sound was called coming from my toilet. Everyonce in a while after a flush the toilet makes a LOUD rumbling noise. ( this only happens the the restroom on the 2nd floor) How can i fix it. My water heater is in the garage, and I don't know if it has anything to do with that. PLEASE TELL ME HOW TO FIX THIS IF YOU ACTUALLY KNOW HOW. THANKS

Water hammer is a function of flow rate and pressure and made worse with improperly supported pipes. It happens when a high flow rate is shut off too quickly.

Try closing the toilet supply line (from the wall to the bottom of the tank) a quarter turn at a time -- followed by a flush -- to see if the change in flow rate shutdown changes the dynamics enough to prevent the hammering. If that doesn't work install a water hammer arrestor. See link below.

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