Carrier HK02YB063 Pressure Switch 318172-701 High Torque Output: Provides 140

High Torque Output: Provides 140 lb-in (16 Nm) of running torque

ensuring dampers or valves return to a predetermined safety state during power loss

effectively resolving issues such as uneven heating or clogged burner ports

Most failures are caused by a short in the 24V circuit

this coil kit is the official direct replacement for the 43004154 and is designed to slide onto the existing armature tube of those subminiature valve bodies

Carrier HK02YB063 Pressure Switch 318172-701 High Torque Output: Provides 140The Carrier HK02YB063 Pressure Switch is a critical OEM safety component engineered for high pressure cutout protection in residential and commercial HVAC systems. Designed specifically for Carrier, Bryant, and Payne equipment, this manual reset pressure switch monitors the high side refrigerant line to prevent compressor failure due to excessive discharge pressures. It features a precise trip point of 630 PSI and a reset threshold of 450 PSI, making