It is designed for closed-loop hydronic systems

System Versatility: ANSI Class IV leakage rating and high close-off pressure make it ideal for varied building automation requirements

Also identified by part number 17J5701 and cross-referenced as T6-2109

For technicians maintaining pneumatic control systems

Lochinvar & A.O. Smith 100135311 Burner 320788-702 It is designed for closed-loopProfessional contractors understand that maintaining high efficiency combustion in Lochinvar Knight and Armor systems requires precision components. The Lochinvar & A. O. Smith 100135311 Burner Assembly is a critical OEM replacement part designed for high capacity boilers and water heaters, including the KBX501, KBX601, KBX701, and KBX801 models. Built with a 1 2 inch NPT connection and stainless steel construction, this burner assy ensures consistent