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Last seen: Oct 21, 2026
On the grounds that turning the pump speed down didnt help I would put it back up again. Slow flow = higher deltaT across radiators = higher FT neede...
Quite likely not but...with two pumps you have the opportunity to get a very good turndown/modulation ratio and a level of redundancy against failure....
Sorry thats lots of numbers, but no clear explanation what they are measuring. What is needed is the temperatures of flow to and return from the rad...
That's correct. You probably will need to measure flow rate though, spec sheet will likely just be a pump curve.
So heating pipes go from 22 copper to 22 plastic to 28 copper? What a lazy sod of a plumber who fitted the heat pump Would it be practical to replac...
Thats definitely a reasonable suspicion. The initial results fom my heat pump suggest my condensing boiler (which was operated at FT50/55 so should b...
With your insulation upgrades its quite possible that you may be able to dispense with the buffer without changing the pipework. Can you clarify the ...
Wow, thats a lot of gas - you said 120 sq m is that the total floor area or just the ground floor footprint? For comparison my 200sq m detached was a...
If you were willing to supply more info I could probably give you a good idea if just scrapping the buffer will work. How old is the installat...
He is correct this is written into the BUS rules. Just to get a feel for what you need in terms of capacity: Whats your annual gas consumption, h...
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