Carrier HH18HA286 Temperature Switch 320788-703 Smith 100208492 is a professional-grade

Smith 100208492 is a professional-grade 3-stage thermostat control engineered for high-recovery commercial water heaters and hydronic boiler systems

This high-capacity 10 kilowatt kit serves as a critical source of supplemental or emergency heat when ambient temperatures drop below the heat pump's balance point

The snap-in design allows for rapid field replacement

professional practice dictates it should be housed within a NEMA-rated enclosure if exposed to moisture

Carrier HH18HA286 Temperature Switch 320788-703 Smith 100208492 is a professional-gradeAs a seasoned technician, you know that a failing Carrier HH18HA286 Temperature Switch can bring an entire commercial RTU or air handler to a standstill. This OEM temperature actuated switch is a critical safety and operational component designed to monitor thermal limits and trigger sequencing or switching relays based on precise temperature thresholds. Whether it is cycling a condenser fan for head pressure control or serving as a high limit safety