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