Lochinvar & A.O. Smith 100189393 Valve 321702-401 If your application requires indoor

If your application requires indoor venting without a dedicated line to the outdoors

F for accurate thermal response

this specific model is designed with a 24Vac coil

Stable Thermal Performance: Maintains structural integrity under high-heat conditions to prevent element sagging and potential shorts against the cabinet

Lochinvar & A.O. Smith 100189393 Valve 321702-401 If your application requires indoorThe Lochinvar & A. O. Smith 100189393 Gas Valve Kit is a critical OEM replacement component designed for high performance FTX400 series heating boilers and AQUAS Low NOx indoor indirect pool heaters. This dual fuel gas valve is engineered to regulate fuel input for both natural gas and liquid propane systems, ensuring precise combustion and optimal thermal efficiency. Built to meet the rigorous demands of commercial and residential hydronic