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