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JamesPa
JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Oct 7, 2026
Profile Activity
Topics: 27 / Replies: 5462
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Reply
RE: Considering getting a Vaillant air source heat pump

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help Right-Sizing My Grandmother's Heat Pump: Installer Says 12kW, I Think It's Oversized

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help Right-Sizing My Grandmother's Heat Pump: Installer Says 12kW, I Think It's Oversized

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Considering getting a Vaillant air source heat pump

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

@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 ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

@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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Who do I complain to about a poor ECO4 installation, can anyone advise?

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Repiping Volumiser tank

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Who do I complain to about a poor ECO4 installation, can anyone advise?

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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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