this model number refers to the valve body and internal trim only

Versatile Installation: 1/2" sweat connections allow for traditional brazing methods in any orientation relative to the flow arrow

making it suitable for high-temperature hydronic heating applications

this part is precision-manufactured to manage the burner flame configuration by facilitating the proper mixture of air and gas

Fireye ZB110UV Chassis 322838-753 this model number refers toThe Fireye ZB110UV Chassis is a core component of the BurnerLogix Z flame safeguard system, designed for high end industrial and commercial burner management. This 120VAC chassis features an integrated non self check UV amplifier, making it a direct solution for detecting ultraviolet radiation in gas or oil flames when using compatible 120V scanners. Unlike the standard Y system, the Z series chassis incorporates advanced boiler control functions,