Weil McLain 590-317-495 Gasket 321702-401 Utilizing OEM specifications ensures that

Utilizing OEM specifications ensures that the primary and auxiliary drainage ports align perfectly with existing line sets

This industrial-grade relay is a standard inventory item for contractors servicing aging residential systems where precise signal transfer and reliable mechanical switching are required to maintain boiler safety sequences

Direct OEM Replacement: Engineered as the specific successor to the 100170433 sensor

Operating as a normally closed SPST switch

Weil McLain 590-317-495 Gasket 321702-401 Utilizing OEM specifications ensures thatEnsuring a pressure tight seal on a Weil McLain 68 boiler section assembly is critical for hydraulic integrity and thermal efficiency. The Weil McLain 590 317 495 round tankless heater gasket is engineered specifically for cover plate interfaces in high temperature hydronic applications. This OEM Weil McLain replacement gasket provides a robust seal for the round tankless heater mounting surface, effectively preventing steam or water bypass that can