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