morco feb24ed boiler has had new pcb, new pump and now new water pressure switch. As yet still showing low water pressure so have not heating or hot water. What next??? Sick to the back teeth of it now, if the boiler would just fire up.........HELP!! Oh and i have bled system and taken boiler up to pressure
i had a similar problem. also changed the pressure switch on a boiler. then found it to that where the water enters the boiler through the filing loop was clogged with black residue inside the boiler not allowing it to reach pressure. look for a blockage is all i can say. look between the filing loop and where the water travels to the pressure sensor check for debris in between the route
kash
January 2013
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