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: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 13 hours ago
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RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 14 hours ago
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Well by my reckoning based on the Flexible Octopus unit...
By Majordennisbloodnok , 15 hours ago
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RE: Who's your electricity provider and what's your tariff?
@old_scientist I have had the first PW for some 2 years...
By Toodles , 15 hours ago
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RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 23 hours ago
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RE: Fast DHW setting on Midea (Clivet) heat pump
@simon-w, is this something you could potentially assis...
By Mars , 1 day ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
Fwiw I called my installer out for the first time a few...
By JamesPa , 2 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@sandy, I'll send Vaillant an email tomorrow and see if...
By Mars , 2 days ago
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RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 2 days ago
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RE: Who has a V2G EV installation
I agree, but a word of caution. V2X is also sometimes u...
By Majordennisbloodnok , 3 days ago
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RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 3 days ago
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RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 5 days ago
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RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?
An update on the Heatsava. It is the most difficult thi...
By heat-pump-newbie , 5 days ago
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RE: ASHP heat output monitoring
@carlo - not much better, is it. It looks more like a u...
By cathodeRay , 6 days ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 6 days ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 7 days ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 7 days ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 7 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 1 week ago
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@ecobaker May I ask a question of you please. I too hav...
By Papahuhu , 1 week ago
