This assembly is configured as normally open

Can this be used for 277V systems

While the probe is water-tight

maintaining the intended HVAC system airflow and static pressure balance

Smith 100276784 Integrated Control Board is the primary intelligence behind high-efficiency gas water heaters and hydronic heating systems

Lochinvar & A.O. Smith 100111845 Assembly 326058-755 This assembly is configured asThe Lochinvar & A. O. Smith 100111845 Assembly is a critical OEM exhaust elbow assembly designed for high efficiency commercial water heating systems. Engineered specifically for the Cyclone BTH series, including the BTH 300A, BTH 400A, and BTH 500A models, this direct replacement part ensures the safe and efficient transition of flue gases from the combustion chamber to the venting system. As a veteran technician knows, maintaining the integrity of