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I have a Vaillant Eco Tech Pro that is six years old. About one month ago it started discharging water out of the overflow pipe. Although it is working ok, I need to top it up about every week. I have had it serviced but the problem continues.

I am replacing my Danfoss ATC stat with a Salus CT100 Stat. The Salus stat connections are numbered "C" "1" "2" On the Danfoss they are "1" "2" "3" Could anyone tell me where the connections go when transferring them from the Danfoss to the Salus. Many thanks Ian.

I have purchased a Drayton LP241 programmer to replace a Potterton Myson EP2000. The information sheet supplied with the programmer tells me that I should be able to do this quite easily and gives information on how to wire it. Unfortunately, it has not been that simple. The EP2000 has five...

I have a problem with a thorn 50/65B central heating boiler that is 20 years old. The problem is that when it starts up, it will run for 3 days or less and then cuts out. When it is re-started the main burner flame dies after about twenty seconds and it takes out the pilot light. It has...

I went on holiday in June 2007 and turn the system off at the gas tap just outside the boiler. Ever since then the boiler cuts out sometimes after 3 days and once after 3 months. The boiler has always been looked after with regular servicing and also, top ups with inhibitor so the system is...