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Last seen: Sep 4, 2025
Are you using vaillant mixers for the floor? Or is there a pump for each floor zone? raise heat curve and shut down all the floor and see how the ra...
@webcmg is you need a higher curve for radiators than the floor…but more heat means more energy consumed. and the floor temps need to be mixed d...
Just to be clear heat curves has nothing to do with the type of heat generator..I have gas boilers with heat curves on UFH as low as 0.1
Again it will depend on control strategy if it’s compensated the getting a delta t of 5c may be impossible take a room temp of 19.5, a set point of...
@saf1973 with on -off controls it may be beneficial to change radiators, but with weather compensation controls with a compensation room unit y...
My understanding is this Balance for correct distribution of heat to radiators.heat pumps systems benefit from high flow rates so no need to look for ...
@adaml ask the manufacturers, for sure they will have a diagram or table but be careful understanding these things is a bit if a rabbit hole especi...
Weather compensation just means the flow temperature to the heat emitters is hotter the cold it is outside. it’s been mandated on boilers in Germany...
@mike-patrick all equipment supllied complies with U.K. regulations, but U.K. regulations do not promote optimal equipment, and that is a problem for ...
Indeed I suspected that would be the answer. it would be worth doing if it is straightforward ie cylinder next to boiler or both pipes serving ...
An electronic mixer and a pump can be supplied for about £240..to replace the manual mixer and pump and with that you will have a system that complies...
@mike-patrick this is all that is required by British regulations, it would not be installed this way in any number of countries where heating ...
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
I can't help with your principal question but as a matt...
By JamesPa , 31 minutes ago
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RE: Siting of the external sensor on a heatpump
My heat pump receives sunlight, so when the fan is not ...
By bobflux , 4 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 19 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 23 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
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