Lochinvar & A.O. Smith 100161837 Valve 321894-708 Internal Safety Protection: Protects the

Internal Safety Protection: Protects the heat exchanger from thermal stress and potential cracks caused by restricted airflow or over-firing

and 5009622

provided it meets local mechanical codes

Protect your system’s low-voltage control circuitry with the Reznor 201685 3 Amp Fuse

Lochinvar & A.O. Smith 100161837 Valve 321894-708 Internal Safety Protection: Protects theThe Lochinvar & A. O. Smith 100161837 Air Metering Valve is a precision engineered OEM replacement part designed for high efficiency combustion control in commercial boilers and water heaters. As a 24V, 50 60Hz component, this air metering valve is critical for modulating the air to fuel ratio, ensuring complete combustion and maintaining peak thermal efficiency. Built for heavy duty HVACR environments, this direct fit valve integrates seamlessly with