![]() ![]() ![]() The boiler will light for a max 5mins every 20 mins unless you up the temp on the stat, like it can't keep up, thermostat is located in the hall a foot away from the front door so probably the coldest place too, but a rad (not trv'd) is only across the hallway width. So, the commissioning sheet for the house says the water temp set on the boiler is 77degs, but I find because of the thermostat the house doesn't heat and stay comfortable. I read it had some resistor that heats up inside to turn it off to increase comfort, or something like that! My problem is the HRT3 seems to have a mind of its own, on and off at will and seems to shoot way past the set point, walk past it and it will tick on, knock the wall or turn on a light switch it comes on too, it's just mad! But it seems like this by design, I've changed it and it doesn't seem to make any difference so I've come to the conclusion it is just cheap and a bit nasty and not in anyway accurate. So you wouldn't call any of it top of the line, but basically it all works. ![]() I have a smallish 3bed semi that is 3 yrs old with fully trv'd rads with a Potterton SL12 boiler, Horstmann Centaurplus C27 and HRT3 stat. I'm looking for a bit of unbiased advise on choosing a new thermostat for my house, and wondered if you guys could give me some opinions pls before I bite the bullet? ![]()
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