Lochinvar & A.O. Smith 100288526 Gas Valve 321894-708 27 tons for R22 and

27 tons for R22 and 1

When should I use a crankarm kit instead of direct coupling

compatibility depends on the OEM part number of your existing module

the 10-bolt flange design allows for easy head mechanism removal and maintenance without disturbing the boiler piping connections

Operating at a rated 1075 RPM

Lochinvar & A.O. Smith 100288526 Gas Valve 321894-708 27 tons for R22 andThe Lochinvar & A. O. Smith 100288526 Gas Valve is a high precision 3 4" 24V automatic gas control valve engineered for professional grade heating systems. As the direct 100288526 replacement for 100171798, this OEM component (Part# VAL2419) facilitates reliable fuel regulation in commercial and residential boilers and water heaters. Designed for the Lochinvar Copper Fin II series and various A. O. Smith gas fired appliances, it maintains accurate gas