Would the diverter valve cause poor hot water flow to all taps.

The central heating is OK, but there is also a leak from the diverter valve onto the diverter valve motor.

RSD, February 2009

no, hot water flow will not be affected however hot water temperature could, so im assuming we are talking about a combi boiler ? if we are talking about a normal vented system then you have cylinder/head issues but again the valve would not effect flow.

mark the gay boiler man, February 2009