Engineering for reliability in demanding commercial and residential HVACR environments

this specific kit comes pre-packaged with the wiring harness and mounting hardware for immediate installation

This electric heat kit is the industry standard for maintaining interior comfort when outdoor temperatures drop below the heat pump's balance point

this DP contactor features silver-cadmium oxide contacts to minimize arcing and pitting

This is an R410A compressor

Carrier KR51BJ419 Fan Pulley 323613-751 Engineering for reliability in demandingThe Carrier KR51BJ419 Fan Pulley is a high performance 1 groove sheave engineered for demanding commercial and residential HVAC applications. As a genuine OEM replacement part, this steel fan pulley ensures precise mechanical alignment and belt tensioning, preventing premature wear on high static blower motors. Balancing 7. 15 lbs of durable steel, the KR51BJ419 is a direct fit solution for Carrier 40RU series air handlers and rooftop units,