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Mend Glowworm 30CI Low Water Pressure

Low water pressure on glow worm 30ci?

Why won't the water pressure increase when the filling device tap is opened on my glow worm 30ci? Both filters have been cleaned and refitted. System was previously running perfectly.

Steve
April 2010
GlowwormGlowworm 30CIHeating, Home Heating SystemsLow Water Pressure
Thanks Boilerman, but pressure coming into system seems fine, it's just that nothing happens when I open the filling device. Also the system is sound, in that there are no leaks. I'm confused!!

Steve
April 2010
Is your water main at 2 bar or above? This is an exerpt from the boiler installation manual.

• If the boiler loses water: the pressure will be indicated (a)
and the boiler ON indicator (b) will flash red indicating a fault.
Fill the system by the filling device (c) at the bottom of the boiler
until the pressure gauge reads 1.0 bar.
A mains inlet pressure of 2.0 bar is required to reach a fill
pressure of 1.0 bar.

TheBoilerMan
April 2010

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