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Last seen: Feb 7, 2026
@editor thanks for sharing this - it should be really good. Do come and say hi if you're a forum member and attend 😲
@grantmethestrength yes the do work like that - I'm using them in the room with my thermal store horizontally in fact. They are uni-directional, and s...
@jamespa That is a great point about waste - and I think you're right. I think perhaps we need to think of carrying alternative caps as an extra on th...
I have a quick question for installers and homeowners on this fine forum. We're giving our FRV (Flow Regulating Valve) an upgrade, and I would valu...
@steveimpey excellent to hear that you're up and running finally. 👍😀
@steveimpey as a short term "fix" have you tried turning off the weather comp and running the unit at fixed flow temps? You could vary the flow temp e...
Hi Topher, Thanks for the tag Mars. I am.indeed on hols in Denmark, home of the wood stove perhaps! A direct air supply is a good idea for red...
@andycoo that flooring sounds ideal. Extra volume is usually your friend when it comes to heating systems and I would certainly plan for potentially...
Hi @andycoo we do an LK 110 standalone weather compensating actuator with valve: LK are a top notch Swedish made. I haven't tried the German system...
That's troubling to hear. This is very not our own approach at Firepower, nor our experience with heat pump manufacturers at all. In general when ther...
@vinceprince our company supplies heat pumps, and have been doing biomass systems for much much longer. What you're describing is called a hybrid or b...
@jennyross a totally blocked filter will stop the heat pump from working (it would give a "flow fault") so I guess that wasn't happening. And it's goo...
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 2 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 3 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 8 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 10 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 10 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 11 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 1 day ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 1 day ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago



