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Hi, I have a problem with hot water coming out my tap not being at the correct temperature and someone has suggested that I may need to adjust the Thermostatic Mixing Valve. Can anyone tell me if: a) This is something I can do myself (bearing in mind that I'm a complete novice with no...

Thanks for the reply, I can see a dial with heatguard TMV2 written on with the dial noting min/mix. How do I adjust this as it doesnt seem to move when i try to turn it. I'm not trying too hard as i have no idea if i might break it? Presumably there's a safety/tamper proof element to this? Any...

I wonder if anyone can help me. My girlfriend has and an ACV E Tech W electric boiler/central heating system: http://www.acv-uk.com/pdf/E-Tech%20W.pdf The problem is that the tank appears to be full of hot water (e.g. the pipes coming out of the tank are very hot to touch. The boiler is...