RE: Flow rates, back in the groove9 Nov 2022 13:04
Gas calorific value?
39.3
Calorific Values by Supplier
These values vary a little by each supplier, are governed by legislation and provided by the National Grid. The values provided are always rounded down to the next decimal place. The current values are British Gas 39.3, EDF 39.1, EON 39.2, ScottishPower 39.0 and SSE 39.6.
Dont worry, it’s over what the suppliers need, not sure if you are using it as a subtle de ramp but anyway as I say it’s not an issue