Seeled or open central heating system

keenbutconfused · 10 Oct 2005

The pressure in my boiler says it is close to zero. However there is a red dial which the manual says represents where the pressure should be.

My dilemma is that I also know that the pressure should be zero if it is an open system, and I should therefore not be increasing the pressure.

Can anybody let me know how I can tell if I have a sealed or open system?

Thanks

kevplumb · 10 Oct 2005

Nige F · 11 Oct 2005

Zero

do you live in a vacuum =to normal air pressure. or up a mountain

Look aloft for a small cistern

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Seeled or open central heating system

keenbutconfused

kevplumb

Nige F

DIYnot Local

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