the system running continuously without reaching the setpoint

Key Benefits for the Contractor: Direct OEM fit for York S1-025-29043-000 ensures compatibility with Luxaire and Coleman burner profiles

If the switch remains open while the inducer is at full speed

Its robust construction is optimized for modulating control

Multi-Speed Versatility: Features three speed settings (1500/1200/900 RPM) to facilitate precise CFM adjustments based on system demand

Lochinvar & A.O. Smith 100208465 Control Board Refrigerant the system running continuously withoutThe Lochinvar & A. O. Smith 100208465 Control Board is a critical OEM replacement part designed for high efficiency commercial water heaters and hydronic boilers. Engineered as a direct substitute for the RLY20001 and RLY20001K legacy boards, this integrated ignition control circuit manages vital system sequences, including flame rectification, temperature regulation, and draft inducer timing. It serves as the primary logic hub for monitoring pressure