Now that we've barely used the heating over the summer the pressure has dropped on our Worcester 350 Combi boiler below 0.5 bar and the red low pressure light is on. However, I cannot see any information on how to restore this pressure?
Ive got the user manual ad servicing manual from teh Bosch website, but neither show you how.
under the boiler there should be a silver flexable pipe with a valve on one or both end, turn on 1/4 of a turn when the pressure reaches 1.5 bar turn off , boiler should now work.
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