Its durable construction meets stringent factory specifications

As a veteran-preferred HVAC expansion valve 8 ton solution

Designed for field technicians performing retrofits or repairs

This part is the primary collector pan only

Optimized for low-temperature regulation

Lochinvar & A.O. Smith 100277755 Pressure Switch 318423-701 Its durable construction meets stringentThe Lochinvar & A. O. Smith 100277755 Pressure Switch is a mission critical component engineered for precise atmospheric monitoring in high efficiency boilers and water heaters. Calibrated to a . 95" WC (Water Column) set point, this OEM replacement pressure switch ensures the inducer fan is generating the correct static pressure before allowing the ignition sequence to proceed. As a veteran grade HVAC induction switch, it is designed to prevent