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no domestic hot water?
what does F14 mean and F5?
pressure switch?
were do I get a diagram and information on airpressureswitch 105he?
gas neoon flashing?
Fan light flashing?
burner going of after 2 or 3 minutes and on?
max of 50 degrees hot water?
water sensor?
water goes cold during shower?
charging system up?
no hot water and pressure valve is on red and water is leakiing outside?