Lochinvar & A.O. Smith 100110273 Gas Valve 328140-751 acting as both the primary

acting as both the primary heat source for ignition and a flame sensor to verify combustion stability

using this genuine Carrier HVAC part ensures electrical compatibility and eliminates the mounting alignment issues often found with universal alternatives

the S352AA-2 supports both wall and DIN rail mount configurations

Using it with R410A will result in improper metering and potential system damage

also identified by part numbers 58L6801 and LB-94731C

Lochinvar & A.O. Smith 100110273 Gas Valve 328140-751 acting as both the primaryThe Lochinvar & A. O. Smith 100110273 Gas Valve is a critical OEM replacement component designed for high recovery residential water heaters. This 120V natural gas valve features a 4" WC pressure rating and a 1 2" NPT inlet, specifically engineered for the A. O. Smith GPDH, GPDT40, and GPDT50 series. As a precision calibrated gas control valve, it utilizes a 1. 45" shank to ensure proper seating and thermal sensing within the tank. For technicians