Boiler water pressure fluctuates

minermick · 4 Nov 2014

The pressure guage is on 1.0 bar when the system is on the normal standby for DHW but goes up to 1.6 bar when the rad CH comes on from the room thermostat.
Gas Boiler is an Ideal HSE 30
Any ideas what could be causing this?

DaleRCL · 4 Nov 2014

Expansion of water in the system. Totally normal

minermick · 4 Nov 2014

Thanks for the reply.
Sorry for my ignorance of my c/h system.

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Boiler water pressure fluctuates

minermick

DaleRCL

minermick

DIYnot Local

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