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