As a direct replacement for 510-312-254

9 psi differential settings based on your specific application requirements

Optimized RPM: Fixed 1000 RPM speed profile provides the ideal balance between high-volume CFM delivery and low acoustic output

providing versatility across low-temp and high-temp systems

Using genuine Carrier parts ensures that the structural integrity and proprietary design tolerances are met

Lochinvar & A.O. Smith 100112613 Gas Valve 321702-401 As a direct replacement forAs a seasoned technician, you know that a failing Lochinvar & A. O. Smith 100112613 gas valve is often the culprit behind frustrating ignition lockouts and "GV Relay Fail" errors on the SMART SYSTEM display. This genuine OEM 4" WC natural gas valve is a critical replacement component for maintaining precise manifold pressure in commercial boilers and high efficiency water heaters. Engineered specifically for natural gas (NG) applications, it regulates