making it an essential component for freeze protection and low-ambient cooling cycles

the 11177105 switch prevents the combustion process if flue obstructions or mechanical failures occur

This is a 6-place terminal block

High-Temp Leads: Features 11-inch Teflon-insulated wiring to resist lead-wire degradation near the burner box

the DSC16A-601R kit is typically the required repair

York S1-031-02951-001 Control Board 321142-301 making it an essential componentThe York S1 031 02951 001 Control Board is a critical OEM replacement part engineered for high performance management of single stage HVAC systems. As a veteran technician knows, maintaining the integrity of the furnace ignition control is paramount for system safety and uptime. This single stage control board provides direct oversight of the blower motor, gas valve, and ignition sequence, utilizing advanced microprocessor logic to ensure precise