the CNT1662 is a direct OEM replacement for technicians addressing short-cycling or thermal cutout issues in high-efficiency Trane and American Standard systems

Common Questions Can I use the 24" M+MG2 on a gas boiler without a draft hood

the system running continuously without reaching the setpoint

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

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

Lochinvar & A.O. Smith 100208465 Control Board Refrigerant the CNT1662 is a directThe 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