Radiator mean temperature

Johntheo5 · 2026-11-13T19:24:23+0000

Attached, my old spreadsheet which may be of interest re rad outputs flowtemps, returntemps, dTs etc. Anyone interested can do their own calcs. ~~Edit, will add later.~~

Johntheo5 · 2026-11-14T00:37:43+0000

I have added a few more calcs to better reflect a more normal flowrate of 0.75LPM per kW, a boiler flowrate of 15LPM would be fairly typical of a 20kW installation.

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Radiator mean temperature

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