Optimized Combustion: Maintains consistent flue gas extraction to stabilize furnace flame and prevent pressure switch trips

This is a 6-place terminal block

Complete Component Set: Includes necessary burner orifices and valve springs for a comprehensive NG to LP conversion

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

provided the 190°F limit rating matches the original specification

York S1-031-02951-001 Control Board 321142-301 Optimized Combustion: Maintains consistent flueThe 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