Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: worcester bosch highflow 400
Sounds like a control panel.Detatch the block connector that serves the gas valve,see if you have power on the bare pins.both left and right pins should measure mains voltage.If you have no power at the pins its the pcb control board.Replace the board.
Posted on Nov 24, 2008
it sounds like the problem may be in the boiler and not the controller itself. Do you kno which is are the two wores that are the r-w for the thermostat take and purt them together and see if the boiler stays on or shuts off like it does with the thermostat. If it does then replace the reciever. If it doesn't then you have another problem. Good Luck
Posted on Jan 07, 2009
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