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Last seen: Aug 6, 2026
19k is having a laugh at your expense. Ignore. The only connection vaillant need to the dhw tank is a temperature sensor. Almost all heat pumps ne...
RT is a function of flow rate and heat demand and not something you directly adjust. It will be measured by the heat pump for sure so the information...
I agree with pretty all of what @bobflux says. With 140sq m well insulated and the guest rooms not all together zoning is going to be a waste of time...
Quite possibly all wrong. Get other quotes or regret Can you tell us more about the house, construction, location, floor area, climate where you ar...
What does this include? 3K is well ott. Check midsummer wholesale for a sense check/Calibration. Vaillant are neither the cheapest nor the most e...
@keithb If you would like to start a thread describing your system and the current problems Im sure someone here will be able to help. Costs will of ...
@josejo If it's not too late withold payment and any sign off for the bus grant until this is fixed. The only thing that motivates installers that...
Glad the heating is changed. Monitor and tweak if necessary. I think that getting a filter fitted would be wise TBH. Take a look at the Grant manu...
Without a detailed analysis of the hydrodynamics I would say it's impossible to say but unlikely to make a great deal of difference. I can't see much...
Take it one step at a time. If you can get the dhw and heating to the point where they are satisfactory using the pointers I have given that's a grea...
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RE: Can I start an argument about buffer tanks please? 🙂
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