Common Questions What does it mean if my boiler shows an 'Air Flow Not Proven' light

ensuring maximum uptime for critical plumbing infrastructure

making it a versatile general-purpose relay for sequence-of-operation requirements

Technicians can achieve exact calibration using the 7-revolution range adjustment screw

providing technicians with the flexibility needed for various static pressure and airflow verification tasks

Lochinvar & A.O. Smith 100109867 Gas Valve 319852-301 Common Questions What does itThe Lochinvar & A. O. Smith 100109867 Gas Valve is a critical OEM replacement component designed for high efficiency liquid propane (LP) water heating systems. Engineered for precise fuel regulation, this 120V gas control valve features a 1 2" inlet outlet connection and is factory set for a 10" WC manifold pressure. As a White Rodgers Intellivent gas control, it utilizes advanced microprocessor based logic for tighter temperature differentials and