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I have Drayton auto balancing TRVs on all my rads, but confused by the calculator.
E.g living room rad is a stelrad homeline (seems to be a prorad rebrand at 1/3 the price as same look/specs)
600x1400 type 21 6506 BTU / 1907W at delta T 50.
The calculator only mentions delta 10/15/20.
https://www.draytoncontrols.co.uk/calculator
With a combi boiler , what should I set the TRV to?
All of my other rads are type 21 bar 2 that I’m going to change.
E.g living room rad is a stelrad homeline (seems to be a prorad rebrand at 1/3 the price as same look/specs)
600x1400 type 21 6506 BTU / 1907W at delta T 50.
The calculator only mentions delta 10/15/20.
https://www.draytoncontrols.co.uk/calculator
With a combi boiler , what should I set the TRV to?
All of my other rads are type 21 bar 2 that I’m going to change.
