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