Fuel Heater for Fleece Performance Cummins/GM Filter BasesFuel heater for use in Fleece Performance heated fuel filter kits including PowerFlo Lift Pumps with a heater provision on the filter base. Fuel heater specifications: Temperature switching points: ON: 28. 4F + 5. 4F, OFF: 48. 2F + 5. 4F At typical fuel flow rates a temperature increase of between 4 8F will occur across the heating element Works with the following kits that have a heater provision: FPE CUMM HFFBA 0318 FPE DMAX HFFBA 1116 FPE CUMM