Whether you are performing a Robertshaw gas valve replacement or upgrading a intermittent pilot ignition system

typically accommodating round shafts from 3/8" to 3/4" and square shafts from 3/8" to 5/8"

these valves are cast from high-grade polished bronze to ensure structural integrity and long-term corrosion resistance in harsh boiler room environments

featuring a dedicated 1 inch bore to allow for a secure

from initial call for heat to post-purge

Carrier HK02ZB022 Pressure Switch 322838-752 Whether you are performing aFor veteran HVACR technicians, the Carrier HK02ZB022 Pressure Switch is the definitive OEM replacement low pressure switch for maintaining the operational integrity of Carrier, Bryant, and Payne cooling systems. This HVAC low pressure cut out switch is engineered to monitor refrigerant suction pressure, providing a critical safety layer that prevents compressor damage by interrupting the 24V control circuit if levels drop below a safe threshold.