See https://github.com/ChrisAdderley/NearFutureElectrical/issues/121. It should basically be a re-name of the ModuleActiveRadiator handler. For reference; * https://github.com/UmbraSpaceIndustries/MKS/blob/master/FOR_RELEASE/GameData/UmbraSpaceIndustries/MKS/Parts/Ranger_HeatPump.cfg * https://github.com/UmbraSpaceIndustries/UmbraSpaceIndustries/blob/DEVELOP/USITools/USITools/ModuleHeatPump.cs
See post-kerbin-mining-corporation/NearFutureElectrical#121.
It should basically be a re-name of the ModuleActiveRadiator handler.
For reference;