If it is a modern system boiler you may have a pumped hot water circuit with motorised valves on the feed to the cylinder controlled by timer and cylinder thermostat. In this set up, I think your symptoms could be caused by a cylinder thermostat set to a low temperature, or by a faulty motorised val...
I believe that 272848 is the same product as V4043H1056. ref m I am trying to replace the powerhead with 40003916-001, which is a replacement powerhead matching this valve according to the instructions with the powerhead and this url m I have removed the 2 screws attaching the old powerhead to the v...
