While you wait for answers, we may have found some information which could help you.
Success
Message
what does F14 mean and F5?
were do I get a diagram and information on airpressureswitch 105he?
max of 50 degrees hot water?
burner going of after 2 or 3 minutes and on?
gas neoon flashing?
no hot water and pressure valve is on red and water is leakiing outside?
charging system up?
Fan light flashing?
no domestic hot water?
water goes cold during shower?
water sensor?
pressure switch?