Lochinvar & A.O. Smith 100109958 Gas Valve 322838-753 and Robertshaw series igniters

and Robertshaw series igniters

the unit accepts 0-10Vdc and 2-10Vdc proportional inputs

This is a non-spring return (NSR) actuator

Technicians should look for soot buildup on the 4-cell heat exchanger

The F29-0231 fits most standard White-Rodgers horizontal thermostats

Lochinvar & A.O. Smith 100109958 Gas Valve 322838-753 and Robertshaw series ignitersThe Lochinvar & A. O. Smith 100109958 Gas Valve is a critical OEM replacement component designed for high efficiency liquid propane (LP) water heaters and boilers. Engineered to operate on a 24V circuit, this valve is factory calibrated to a 10" WC (Water Column) outlet pressure, ensuring precise fuel metering for optimal combustion stability. As a veteran grade HVAC replacement part, it features a 3 4" NPT connection, providing the robust seal