Lochinvar & A.O. Smith 100187874 Gas Valve//Venturi Assembly 321894-706 This is the primarily the

This is the primarily the bonnet housing

25" WC to prevent furnace ignition under hazardous venting conditions or restricted heat exchangers

This control is compatible with HCFC

Universal Compatibility: Includes a versatile mounting bracket and telescoping piston rod to facilitate fast installation on various damper brands

while the automatic reset functionality ensures consistent operation across 24V to 277V AC circuits

Lochinvar & A.O. Smith 100187874 Gas Valve//Venturi Assembly 321894-706 This is the primarily theThe Lochinvar & A. O. Smith 100187874 Gas Valve Venturi Assembly is a critical OEM component designed for high efficiency natural gas condensing boilers and water heaters. As a veteran technician knows, maintaining the correct air gas stoichiometric ratio is essential for peak combustion performance. This assembly integrates a precision SIT gas control valve with a specifically calibrated venturi to ensure stable gas pressure regulation across varying