MRCOOL 4 Ton to 5 Ton 15 kW Heat Strip with Circuit Breaker Universal Series Split System Air Handler

Provides Emergency Heat for your MRCOOL Universal Air Handler. MRCOOL Heat Kit is the compatible heat kit model for MRCOOL MDUI18048 and MDUI18060. The MHK15U is capable of 50,001 - 55,000 BTU of heating capacity to keep you comfortable through the winter months.