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Last seen: Oct 1, 2025
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...
@soniks change 28 mm primaries--- wrong, I have 30Kw heat pumps on 28 mm primaries very successfully Buffer tank--- Wrong in any circumstance unless...
@kev-m I understand where you are coming from, but it is wishful thinking. The industry did try to do exactly what you are asking and came up with the...
@derek-m Oh I wish. Unfortunately, we follow behind a myriad of idiots that blow your assumptions out the water.
@kev-m Unfortunately you are Oh- So-Wrong. If the builders had followed the building regulations over the last 30 years, you may be right, but they ha...
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Latest Posts
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@l8again I had one. The chap whom did mine seemed to kn...
By Papahuhu , 51 minutes ago
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RE: Samsung heat pump - data cable issue
Hi Old_Scientist. Samsung are saying tne use of an una...
By Steveimpey , 59 minutes ago
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RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 2 hours ago
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Given the way radiation and convection effects don't wo...
By Majordennisbloodnok , 4 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 7 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
By JamesPa , 20 hours ago
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 23 hours ago
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 24 hours ago
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
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RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
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