A 1-pole contactor like the Carrier HN51KC024 breaks only one side of the power line

reducing mechanical stress on the blower motor

It is recommended to diagnose the airflow issue before resetting to prevent recurring safety lockouts

Secure Porting: Standard 1/4" NPT threading facilitates leak-free installation with common hardware

The Veris Industries H-748 Current Switch is a professional-grade adjustable AC current monitoring switch and integrated mechanical SPDT relay designed for demanding BAS and HVAC automation

York S1-6187677 Ignition Board Refrigerant A 1-pole contactor like theThe York S1 6187677 Ignition Board is a high performance, 2 stage 24V spark ignition control designed for precise combustion management in residential and light commercial gas furnaces. As a genuine OEM replacement part, it is the direct successor to the S1 025 35304 000, ensuring seamless integration with original wiring harnesses and mounting footprints. This module is engineered to handle multi stage heating sequences, managing intermittent pilot