Last seen: Jun 18, 2025
@iancalderbank Yup, tried that, but the tank maxes out at 55degC indicated on the cylinder. The immersion thermostat cuts in and it then cycles on tha...
@derek-m thanks. The immersion heater thermostat on Grant cylinders is pre-set to 65degC and it cycles on/off on that. However, the separate cylinder ...
Much of the struggle with ASHPs in winter is the defrost method. ASHP Evaporator coils have very narrow fin pitch, 1 to 1.5mm. That gives a large surf...
You may need a mains pressure regulator on the cold water inlet to your house. The pre-plumb cylinder inlet manifold has a 3bar pressure relief valve ...
This is interesting @sunandair. The basic weather compensation, relying solely on instantaneous outdoor dry bulb temperature, is crude. I've wondered ...
This is interesting @sunandair. The basic weather compensation, relying solely on instantaneous outdoor dry bulb temperature, is crude. I've wondered ...
@marvinator80 it does this with my 10kW. Algorithm within the ASHP as it monitors air and return water temperature. It’ll turn the ASHP off for a leng...
I think it's a monobloc unit, R410A. See here:which is probably why they are getting flogged off cheap by the likes of Appliances Direct, to unsuspect...
With a DIY install you've got the option for heating and also cooling via fan coil units, which under the MCS approach isn't an option. However, these...
Yeah, exactly my concern. What are the briquettes made of (waste product or felled timber) and how much CO2 and energy goes into their process that pr...
I've looked at this company several times but never taken the plunge. They get good reviews. My only concern is the Lekto supply chain is opaque, they...
Latest Posts
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@jamespa @editor can you help with some statistics and ...
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RE: Who's your electricity provider and what's your tariff?
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RE: Aira Heat Pump: Stylish Scandinavian Heating
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Octopus are pushing their EV rental scheme, and the lat...
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RE: Location of hot water isolation valve on cylinder
@transparent Thank you so much and very helpful. Earlie...
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RE: Ecodan consuming 100kwh per day in new build!!!
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RE: Plug and play solar. Thoughts?
Have a read of my previous posts on so-called Balcony S...
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
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RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
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RE: Heat pump solutions and/or installer recommendations for France
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RE: 5 Star Service from Havenwise
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Have your say in the Renewable Heating Hub Awards
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
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RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 5 days ago
