my glowworm 30cl wont heat up over 65 degrees there is no piping hot water just warm and the pressure keeps flashing at 3.0 bars the outlet pipe outside is leaking rusty water
the dhw heat exchanger is blocked up replace it. reduce the pressure to around 1.3bar and fix the leaking valve outside. also get the water flushed out the rads as the rusty water is not good for the boiler and means u dont have any inhibitor in the system which prevents rusty water
kash
February 2013
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