MRCOOL® Heat Kit with Circuit Breaker for MRCOOL Universal Series Air Handlers - R-454B. (UHK15) MULTI4-27HP230C-O or nursery with the 9k

or nursery with the 9k head (up to ~200–400 sq ft)

energy-efficient climate control with a system designed for easy installation and long-lasting performance

000 BTU = 751 – 1

✔ 1 × 16ft R-454B Line Set (3/8” × 5/8”) —

These air handlers are perfect for oversized spaces

MRCOOL® Heat Kit with Circuit Breaker for MRCOOL Universal Series Air Handlers - R-454B. (UHK15) MULTI4-27HP230C-O or nursery with the 9kProduct Description The MRCOOL Heat Kit with Circuit Breaker is designed for seamless integration with MRCOOL Universal Series Air Handlers using R 454B refrigerant. This factory matched accessory enhances your systems performance by providing supplemental or emergency electric heat when outdoor temperatures drop too low for the heat pump to operate efficiently. Built for convenience and safety, the kit includes an integrated circuit breaker that