Recent content by garf900

I have replaced the supressor and the High thermostat. I have tried setting the boiler to low and waiting for the thermostat to click off then turning it to high - I would have expected the boiler to click immediately on but it does not. Also I'm sure the pump is running continuously I was...

I have an apollo 40b boiler - fully pumped system with 3 port (mid position) valve, I've turned the CH termstat down to off, diconnected the timer and still found that the boiler and pump fire up. The pump appears to run continually. The boiler itself has a High and Low setting both do the...