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I've read all the FAQ's and im still struggling with two cold rads that are driving me bonkers. I I've put some Sentinel 800 in my system today to try and see if it gets two downstairs rads working. They stopped working in Spring and i've tried everything that I can think of to try and get...

I have a Baxi Duo-Tec Combi 40HE. Over the last ten days I've had to top up the boiler pressure three times as its been dropping to 0.5 bar. I've checked all rads for leaks and can't see any. The boiler was off for two days whilst we were away recently and it lost 1 bar. I've also noticed in...

Hi, I have a Baxi Duo-Tec Combi 40HE. The last few days I have noticed a lot of condensation/air coming from the flue. I checked the boiler with the intention of reducing the maximum temperature going to the rads to reduce the condensation but found that the thermostat on the boiler is cycling...

Hello, We have a Baxi duo tech 40 HE and two weeks ago we noticed that one of our downstairs rads was cold, the next day we lost heat from two more in the lounge. This continued until we lost 6 radiators downstairs. We had our whole system balanced in January and managed to get our kitchen rad...