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Hi I have a Baxi Duo-tec 28He Combi boiler and it has started to make a high pitched noise which can be heard throughout the house. I have made a video of this noise I usually only happens in the morning when the heating comes on, rarely in the afternoon. Normally I end up turning the...

I have a baxi Duotec he28 and had a few radiators replaced a few months ago. The plumber drained the system to change them and when testing them after refilling the system he was outside with the heating on and the boiler started to make a noise as if it were boiling dry. I Rushed to the...

Anyone able to help with what teperatures are at what setting for a 1st gen Bulldog TRV since my installer didnt leave any info for them settings are 0 * 1 2 3 4 5 i know 0 is off and * is a frost setting but i dont know what temperatres these equate to

When i had my boiler changed and TRV put on the radidators the plumber who did the work left the radidator by the front door (bottom of the stairs) as the one without a TRV, and mounted the thermostat at the bottom of the stairs. However this is only a small area though is subject to...

Hello. I'm looking to upgrade my old appollo 15/30b boiler to a new one. I have 2 quotes so far but i am unsure about them. I have a 3 bed semi detached house, with 9 radiatiors. one quote for £2136 is for a vaillant ecotec pro condensing combi boiler (will this be sufficent for my...