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