The unit knocks in the valve
Plumber installed second unit. This one knocks at the valve as well. Tore out drywall to check knocking. Does anyone else have this problem? E/mailing China brings no results.
The unit knocks in the valve
Plumber installed second unit. This one knocks at the valve as well. Tore out drywall to check knocking. Does anyone else have this problem? E/mailing China brings no results.