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Boiler Excessive Pressure?

Ravenheat boiler keeps building up pressure, after reducing it down to 1bar each time.

RSD
February 2009
RavenheatHeating, Home Heating SystemsBoiler Pressure Ravenheat Time
depending on waht model it could be may things
1. air pressure vessel at the back of boiler is empty of air, so when your heating warms up water expands and pressure increase.
2.if you have a secoundary water to water heat exchanger mains pressure water could be passing through this filling up your c/heating system slowly, this could also apply if you have a dual main heat exchanger. (see manefactures booklet for which)

liam
February 2009

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