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ravenheat csi85 goes to lockout?

boiler is locking out on DHW. Overheating !
Flushed out DHW plate exchanger. Changed both thermistors, C.H overheat stat, dual potentiometer.
Running out of ideas now HELP!!

MJPH
December 2013
RavenheatHeating, Home Heating SystemsDhw Flushed Exchanger
you would need a gas engineer to check burner pressure on gas valve & adjust if necessary

even though detailed instructions on how to check/adjust minimum & maximum gas burner pressures are listed in boiler manual, you are not qualified to do any gas work

Q
December 2013

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