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water sensor?
water goes cold during shower?
max of 50 degrees hot water?
pressure switch?
30 degree / flame neon flashing?
gas neoon flashing?
how do i lower the water presure ?
no domestic hot water?
what does F14 mean and F5?
what does f1 mean?
charging system up?
were do I get a diagram and information on airpressureswitch 105he?