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Has anybody compared the theoretical hot water temps to what you actually get in the real world? I've just done the comparison on my Ecotec plus 824. I'm getting a 42 degree rise at 8 litres per minute when the theory says it should be achieving 43 degree rise so it's pretty close.

I've just had to order a new diverter valve for my Vaillant Ecotec. The original part PN: 178978 has been superseded by PN: 0020132682. It has a different motor and the kit comes with a wiring adapter for this. Does anybody know if the new part is an improved design?

I have a Vaillant Ecotec 824 combi and the DHW temp maxes out at around 50 degrees even if I turn the DHW temp up to the max of 65 degrees on the controller. Is this normal? I have just put some sentinel X400 in the system to see if this will help. The boiler is 7/8 years old but the...

Hi I thought I had a problem with my shower for a long time but now I've realised it's something to do with the boiler or possibly the pipework. I have a Valliant Ecotec plus 824 VUW GB 246/3-5 located in the kitchen. The kitchen tap which is right next to the boiler supplies hot water with...