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I wish all car mechanics worked by that maxim.

Thanks, this is very informative - especially that by accident, using a setting of 3.5, I will be getting something like 75degC. I don't currently have the Wiser TRVs but will be looking to get some in the future. Although I'd probably need to get the TRV fittings replaced since lots of them...

Hi heating experts and enthusiasts, With modern boilers there seems to be lots of advice on how to set the controls, in terms of their temperature settings. But what about an old boiler that just has a single knob (presumably some kind of thermostat for the boiler itself)? I have a Prima...

Here you are. 1) the thermostatic mixer valve complete with control knob and oriented as per instruction manual in original post. Note that mine was set up to have the pipe entry at rear, although I don't have the right-angled bend connectors 2) knob removed, front plastic plate removed...

There's actually a sort of funnel piece that fits into the mixer valve - a little strange in fact, it has the two pipe inputs, then another two outputs that attach to the mixer. I don't think it would be obvious with the mixer in situ, it just looks like one piece. I have the remains of my one...

Thanks Boilerman2. It seems to be a standard Myson 2way trv. To be honest it didn't occur to me before to look it up on the internet because I'd not heard of the brand and just assumed it was some crap that Barratt Homes had churned out. So if I get one, is there any technical impediment to...

Hi all, recently moved into new house and one of the bedroom radiator TRVs was cunningly broken off, but placed back on to look like it was ok. Bascially, the plastic feet that the screw collar grips were all broken, so the head is detatched from the pipework. As far as I can tell, the pin...

You've probably got this sorted months ago but in case anyone else stumbles across this problem, you can order new prd's directly from gainsborough.co.uk . Make sure you get the right size (long or short) depending on your model. I actually managed to fix my old prd by re-inserting the...