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Last seen: Jul 30, 2026
@derek-m 4051 reads use max 100% 4052 reads 5.0c
@transparent it has a room stat which I’m not sure I should be using, but I need some control over the rooms so Trv on the rads allows that. Generally...
@derek-m I completed the assessment in collaboration with Fernox tech and came to around 280 litres. Requiring a mix to provide protection to -20/25 ....
@derek-m 16 radiators samsung wanted a 46lpm flow rate on 35mm pipe and seem to be supporting the installer by diluting this down to 36lpm on 28mm pip...
I guess tomorrow I need, or they need to decide if they charge it with antifreeze with such a low flow rate and find it shuts down on low flow. The pu...
@jamespa samsung want heaters installed if antifreeze valves are fitted and then of course corrosion inhibitor, but I read up on frost valves and anti...
@jamespa I wouldn’t if it will run without low flow errors
@derek-m I hear what you guys are saying however at a start up of 30.8lpm the system is close to a shut down on low flow which it was doing at 29lpm b...
@transparent it’s not going well, it threw up low flow at start up then went up to 36lpm but now it’s running at 31.8. I went around when they left an...
@transparent well heating guys left for the day and I have 36lpm but antifreeze tomorrow and not sure how much we lose. got rid of manual flow gauge...
@transparent into the realms of witchcraft now. Perhaps two meters then one for house and one for Ev charger. Keeps it simple but I guess you are goi...
@transparent I think they may have only used one of the phases to avoid changing the meter. When I get an EV charger perhaps they might change it the...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Hi, sorry that I have been absent for a while. I'd like...
By baroquebank , 1 hour ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 5 hours ago
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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 , 1 day 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 , 1 day 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 , 1 day 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 , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day 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 , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days 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 , 3 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 , 3 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 , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 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 , 5 days ago
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