The MRCOOL MHK07B Signature Series Modular Blower Heat Strip is a 7.5 kW electric heating accessory designed for compatible MRCOOL modular blower and air handler HVAC systems. It works by converting electrical energy into heat, which is distributed through the blower system to provide supplemental warmth during colder conditions. The integrated circuit breaker enhances electrical prot... https://www.partshnc.com/mrcool-signature-series-7-5-kw-heat-kit-mhk07b