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