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