Last seen: May 9, 2025
@JohnR, I think I've seen something like this for plastic - in essence, each 90deg elbow/T etc creates the equivalent resistance of 0.5m of straight p...
Cheers for your post, @JohnR Implying that wherever a larger internal diameter can be applied, the friction loss is greatly reduced and therefore a ...
Thanks for the reply, @bontwoody It's no doubt me, but I've tried a handful of times and can't figure out what this means - sorry, could you write i...
Note that the display only shows the flow temps as whole (integer) numbers but the actual temp set may be different by 0.5C
In light of some new sub-zero OATs from the past two days, I'd like to amend what I wrote above (but the forum won't now let me edit the post, despite...
Unless I'm misunderstanding something, my FTC6 allows the user to manually set the flow temperature of one OAT between the high and low OATs. This th...
Thanks @heacol Brendon - helps as well as creating more questions! :-/ I appreciate your time and effort in responding. As I'm sure you know, w...
[quote]Zoning is a last resort, but only if it is designed correctly. If the heating system is not specifically designed to do it, DO NOT do it. It wi...
[quote]I always try to use 1 pump, but more may be needed if 1 is not big enough.[/quote]Paraphrasing, does this mean if the only pumps that could pro...
[quote]Almost impossible. Correct flow rate can only be determined on commissioning, anybody who says otherwise has never commissioned a system correc...
[quote]One that will do the job, they are tools, if you use the wrong tool, it will not work. They all the same these days.[/quote][/quote]From readin...
Latest Posts
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RE: Is this just haze or something more?
@majordennisbloodnok I was giving a talk to primary sch...
By Toodles , 11 minutes ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
I wonder if @karl-r (who I refer to as Mr. AC UK Ƕ...
By Mars , 15 minutes ago
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RE: Tesla Powerwall – More of a ‘Luxury’ Than an ROI Winner!
We had our Tesla Powerwall 3 (and Gateway) installed ea...
By Old_Scientist , 1 hour ago
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RE: Compressor and Evaporator Stratification
Thank you. That's an excellent find. As you can probab...
By trebor12345 , 5 hours ago
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Indeed. With a battery its presumably the battery con...
By JamesPa , 6 hours ago
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RE: No-code, plug-and-play monitoring for your heat pump
To update an ESP device using ESPHome in Home Assistant...
By Grantmethestrength , 1 day ago
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 4 days ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 4 days ago
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RE: Who's your electricity provider and what's your tariff?
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By Old_Scientist , 4 days ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 5 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 5 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 5 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 5 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 6 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 7 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 1 week ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 1 week ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 1 week ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 1 week ago
