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Mend Rayburn RSF820/20 Pressure Gauge Heating

Pressure problems on rsf 820/20?

The pressure gauge keeps rising slowly,quicker if the heating is on.

Steve
May 2008
RayburnRayburn RSF820/20Heating, Home Heating SystemsPressure Gauge Heating
One of two things
1 The filling loop has been left turned on
2 there is an internal leak in your heat exchanger.

AND

You could have a faulty pressure vessel.

The 'and' could be an 'or' but you didn't give much detail in your one line question

Slugbabydotcom
May 2008

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Rayburn RSF820/20 Pressure Issues - Help