This could be from the solenoid valve kicking on and off.You can have a plumber install a hammer arrestor also you might need a pressure regulator on d/w if the pressure is more than the manufacturers recommended psi.If you have a plumber install an arrestor have him install some good pipe straps .
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This could be from the solenoid valve kicking on and off.You can have a plumber install a hammer arrestor also you might need a pressure regulator on d/w if the pressure is more than the manufacturers recommended psi.If you have a plumber install an arrestor have him install some good pipe straps .