Hi,
I need help please! I have a Baxi combi 80E which has turned problematic with the DHW. The boiler runs CH fine but when a hot tap is turned on it fails to fire. When I've checked, it is not activating the primary flow switch when a call for DHW is made. The primary flow switch works fine with CH though.
I've cleaned everything, flushed the system with X400 twice, replaced the plate heat exchanger, divertor valve and fitted a different (second hand) pump and still no joy. I'm baffled as to why there should be plenty of pressure to activate the primary when running the CH but not the DHW.
Does anyone have any ideas where I should look next?
I need help please! I have a Baxi combi 80E which has turned problematic with the DHW. The boiler runs CH fine but when a hot tap is turned on it fails to fire. When I've checked, it is not activating the primary flow switch when a call for DHW is made. The primary flow switch works fine with CH though.
I've cleaned everything, flushed the system with X400 twice, replaced the plate heat exchanger, divertor valve and fitted a different (second hand) pump and still no joy. I'm baffled as to why there should be plenty of pressure to activate the primary when running the CH but not the DHW.
Does anyone have any ideas where I should look next?