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