Last seen: Sep 14, 2025
@crimson You do not stand a chance of getting any reasonable performance with your current system design, regardless of heat pump installed. You have ...
@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...
Latest Posts
-
RE: Heat Pump Damage on install - useable or dealbreaker?
They have already been dishonest by not telling you abo...
By GrahamF , 7 hours ago
-
Testing new controls/monitoring for Midea Clone ASHP
Hi all, I thought it might be of interest to others i...
By benson , 7 hours ago
-
-
RE: Electricity price predictions
@diverted-energy sounds like good tariff for you. Octop...
By JulianC , 9 hours ago
-
RE: Who’s Caved and Switched the Heating On Already?
In the last week, the external temperature in south Man...
By GrahamF , 11 hours ago
-
Ok. Two schools of thought. The first is to run the ...
By JamesPa , 11 hours ago
-
@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 12 hours ago
-
RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I hear you on the locality issue @transparent, and I ag...
By Scalextrix , 14 hours ago
-
Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 15 hours ago
-
RE: Midea ASHP – how to set weather compensation
@pash44pump Referring to the problem of rooms with diff...
By Tasos , 16 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 17 hours ago
-
@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 2 days ago
-
RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 3 days ago
-
RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
-
RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
-
RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 4 days ago
-
RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 4 days ago
-
RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 4 days ago
