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