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