Lochinvar & A.O. Smith 100173792 Arm Assembly 321894-709 and 1/20 HP

and 1/20 HP

Complete Replacement Solution: This 100145007 kit acts as a seamless drop-in for worn combustion blowers

While many SmartValve bodies can be converted

including the gas valve

With its threaded barrel design and secure setscrew mounting

Lochinvar & A.O. Smith 100173792 Arm Assembly 321894-709 and 1/20 HPThe Lochinvar & A. O. Smith 100173792 Arm Assembly is a critical OEM component designed for high efficiency burner management in commercial and residential gas fired systems. Engineered for precision and thermal stability, this gas air arm assembly ensures the correct orientation and alignment of the burner interface, which is essential for maintaining stoichiometric combustion and maximizing heat transfer. Built to withstand the harsh operating