handling differential pressures up to 75 psi on 1/2" valves to prevent bypass and ghost flow

Durable OEM Construction: Features high-quality materials and a 30-inch capillary for long-term vibration resistance and thermal response

Key Benefits Dual-Range Performance: Supports accurate ammonia detection across 0-500 ppm and 0-1000 ppm scales for versatile facility coverage

Contractors rely on this valve for its consistent differential pressure range and the durability of its high-temperature seating materials

Key Benefits for HVAC Contractors Direct OEM Replacement: Guaranteed fit for Carrier 50HJ403021

Lochinvar & A.O. Smith 100109446 Control Valve 322838-753 handling differential pressures up toThe Lochinvar & A. O. Smith 100109446 Natural Gas Control Valve is a critical direct replacement component designed for precision fuel regulation in high efficiency water heaters and boilers. This gas water heater control valve serves as the current OEM replacement part for the discontinued 9003739105, ensuring seamless mechanical and electrical integration without requiring field modifications. Engineered specifically for natural gas water heater