As a veteran-grade HVAC valve actuator

Precision Airflow: Built-in adjustable range stops allow technicians to bleed bypass air easily

though direct OEM replacement is recommended for balance

or a failing blower motor capacitor that is reducing RPMs

Built for the rigorous demands of commercial foodservice and industrial cooling

Supco SHL507 Limit Switch 318423-701 As a veteran-grade HVAC valveThe Supco SHL507 Limit Switch is a professional grade thermal protection component engineered for board mounted applications in residential and commercial HVAC units. This SPST normally closed (NC) switch is designed to break the electrical circuit when temperatures reach the 140F fixed open setpoint, preventing heat exchanger damage or unsafe operating conditions. Once the temperature drops to the 110F fixed close temperature, the device utilizes an