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Hello Icewinder Yes I did get it sorted. I got the installer back and he isolated the boiler and flushed both HE. At the time it was very difficult to be certain exactly where the noise was emanating from. Tried the old engineers trick with the long screwdriver to the ear but not successful...

Thanks Dave.

Does reducing the max heat output on an ecotec plus down from 24kW to 20 kW mean that when the boiler starts up from cold for CH the gas fan does not go at the same high speed rate that it does when DHW is called for and the hot tap is turned on for full flow. That is, does ranging a boiler only...

Hello Dave Thanks for replying. I follow what you say so is the blockage more likely in the main burner HE or the smaller plate HE at the bottom of the cabinet. possibly both I suppose, although I thought I had a reasonably clean system. Also if it was the main HE would it not also make a...

I have a 3 year old ecoTec plus 831 that is working perfectly ok for CH but when DHW is called for the boiler has started to make a loud droning noise that appears to come from the top of the boiler around the main heat exchanger. It is nearly 3 yrs old and has had a new pump fitted, due to a...

I stripped my Bristan Therm. SV not so long ago because it was getting quite stiff to turn on and off. I actually used a marker pen to indicate the relative positions of the spined shaft. I think you may have rotated the main shaft while you were cleaning the cartridge body. The water on/off on...