When secondary symptoms like clicking or high-pitched bearing whine appear

creating a custom operational window for your control circuit

Its adjustable BX outlet simplifies field wiring

if your unit requires a run capacitor

Lochinvar & A.O. Smith 100172012 Gas Valve 321142-301 When secondary symptoms like clickingThe Lochinvar & A. O. Smith 100172012 Gas Valve is a critical OEM replacement part designed for high efficiency commercial boilers and water heaters. This rotary gas valve is engineered to handle precise fuel delivery, supporting both natural gas and liquid propane (LP) configurations. As a high performance HVAC gas valve, it ensures stable combustion and optimal thermal efficiency for demanding hydronic systems. In the field, this component is