SKU: 49194623715
Pay in 4 interest-free payments of $46.77 Learn more
Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
This OEM Sterling replacement part is built to withstand high-cycle operations in demanding environments
The manufacturer recommends a full inspection and part replacement using this kit during the annual boiler service to maintain thermal efficiency and reliable operation
A key technical advantage is the integrated sensitivity adjuster
It is the official replacement for legacy part number S1-025-35304-000
Does this kit fix a relief valve that continuously drips
Carrier HK38EA022 Circuit Board 320735-701 This OEM Sterling replacement partAs a core component for modern heat pump and air conditioning systems, the Carrier HK38EA022 Circuit Board serves as the primary defrost control for high efficiency outdoor units. This OEM control module is critical for maintaining HVAC system performance by managing complex logic for defrost cycles, pressure switch monitoring, and short cycle protection. Designed for Carrier, Bryant, and Payne residential and commercial units, this board is a direct