Lochinvar & A.O. Smith 100327105 Gas Valve 321042-401 Dual-Pole Versatility: Features SPDT and

Dual-Pole Versatility: Features SPDT and DPST configurations to manage both the outdoor fan motor and the defrost heater circuit simultaneously

This valve utilizes 1/2" Inlet and 1/2" Outlet ODF sweat connections

The McDonnell & Miller 193 (Part Number 163400) provides heavy-duty combination low water cut-off and pump control for commercial and industrial steam boilers

Use 24Vac 60Hz power

Built with heavy-duty materials to withstand constant thermal cycling

Lochinvar & A.O. Smith 100327105 Gas Valve 321042-401 Dual-Pole Versatility: Features SPDT andEnsuring your heating system maintains peak combustion efficiency requires precision components like the Lochinvar & A. O. Smith 100327105 Gas Valve. As a critical natural gas control valve, this unit is engineered for both residential water heaters and high efficiency commercial boilers. Designed as the 100171551 direct replacement, it eliminates compatibility guesswork for field technicians. This 24V gas valve operates with a standard 1 2" NPT