Last seen: Jul 27, 2025
@alan22 PM me and I will see what I can do, a lot of information needs to be gathered for a satisfactory outcome, it is not as simple as just throwing...
@crimson The fault is at Grants and MCS's door, the installer was, I presume, trained by them, I think you have every right to legally demand that you...
@windyinsancreed At least 1.2 to 1.5 meters and straight pipes at least 1meter apart, the deeper they are, the less effect the weather has and the bet...
@crimson Hi, Been dragged in by @editor 😀 I have not had time to read the whole thread, but, from what I can see, it is a typical Grant d...
No unit should be using it's immersion element at this ambient temperature. It is only permitted to come on after the design duty point, which should ...
@marzipan71 You may befit from replacing the valve, it will depend on the current flow rate and system design. If you have a buffer tank, it will prob...
The ground loop pump must run when the heating is on, it may be a connection problem or the board has failed. You can as a temporary measure try conne...
It is quite possible to install a high temperature heat pump, and you can run it at high temperatures if you want to double your heating bill. However...
@derek-m Correct but the best way to control flow is automatically with equipment that can do it for you. If your system does not have Delta T contro...
@soniks Firstly, the engineers at Grant need to buy a new calculator or go back to school. 50 L/min will transmit 28Kw. You only need to transmit abou...
@soniks As I said, 28 mm will be fine, a 28 mm pipe has an internal diameter of 26.2 mm, the Grant 17 Kw will produce about 14 Kw at -2 at 50 odd degr...
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We had an excellent four months (11/3 to 15/7) generati...
By JulianC , 1 hour ago
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You may well be right, @jamespa.
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
All noted and accepted and as I say I am sorry that you...
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I think it is very much me that is sitting outside the ...
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@davidalgarve It should just be recovered by both servi...
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
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RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
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RE: Double or Triple Glazed Windows?
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RE: 300 Liter Tank - Do I have to heat it all?
I agree with @morgan. You can turn down the target t...
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How to waste energy (and time) playing with AI.
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
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RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
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You should contact the council and report the unsatisfa...
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RE: Benefits of an extra horizontal loop for GSHP
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RE: Say hello and introduce yourself
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RE: Compressor and Evaporator Stratification
@trebor12345 So I think the 1st zigzag section shows so...
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