combi boiler pressure

sully1973 · 18 Nov 2008

my combi pressure seems to be moving between 1 and 2 bar on the pressure clock.i know its in the safe range.but is it supposed to move? i thought it stayed at a certain pressure.
thanks in advance for any help
sharon

Agile · 18 Nov 2008

Its normal for it to go up about 0.2- 0.4 Bar wen it gets hot.

A few boilers will cause it to go up when the boiler pump comes on.

Tony

JPC · 18 Nov 2008

its the heat that makes the water expand and hence increases pressure

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combi boiler pressure

sully1973

Agile

JPC

DIYnot Local

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