this relay provides the necessary electrical impulse to activate the start windings under high back pressure conditions

Common culprits include moisture buildup in the sensing lines (often seen in high-efficiency 90%+ condensing furnaces)

This Single Pole Single Throw (SPST) pressure assembly is factory-calibrated with a high-fire set point of -0

40" WC trip point matches the original factory specifications for safe gas valve enrichment

This OEM spark electrode wiring harness is specifically engineered for Knight XL boiler models KBN600 through KBN800

Parker 76725 Repair Kit Els PW 17895 this relay provides the necessaryThe Parker 76725 Repair Kit is a specialized service solution designed specifically for the Parker GP257 solenoid valve. As a veteran grade solenoid valve rebuild kit, it provides the essential internal components required to restore pressure vessel integrity and ensure precise flow control in demanding HVACR and industrial plumbing applications. This valve maintenance kit includes high grade seals and internal hardware engineered to handle various