MRCOOL MHK07H Heat Kit Signature Air Handler Heat Strip with Circuit Breaker

The MRCOOL MHK07H Signature Air Handler Heat Strip with Circuit Breaker is an electric heating accessory designed for compatible MRCOOL air handler systems. It works by using electric resistance heating elements to generate supplemental heat, which is distributed through the air handler to maintain comfortable indoor temperatures during colder conditions. The integrated circuit breaker provides added electrical protection for safe operation. Commonly used in residential HVAC and heat pump systems, this heat strip enhances heating capacity, improves temperature consistency, supports reliable performance, and helps ensure year-round indoor comfort and energy-efficient operation.