allowing the ignition process to proceed

Hand-tighten the connection to avoid stripping the brass threads

For technicians servicing commercial HVACR units

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

York S1-6187677 Ignition Board Refrigerant allowing the ignition process toThe 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