Search results

Thanks. Will give it a try and let you know outcome.

Thanks for response. Yes, system pressure was at 1 bar

Help ! I've got a Worcester 35 cdi II which seems to be ovepressurising when there is a demand. When cental heating is off and no demand for hot water, pressure is approx 1 bar. When c/h is on pressure rises to 3+ bar and water leaks from pressure relief valve at the rate of about a bucketful...