this 16x12x1 boiler filter should be inspected annually and replaced if showing signs of loading

Key Benefits for Technicians Direct Replacement Compatibility: Seamlessly replaces legacy SC4811 and 9555 thermostats

Designed as a normally closed

The stem utilizes dual EPDM O-rings and graphite-reinforced PTFE seats

the R75291 ensures seamless integration with existing Aaon equipment and serves as the direct

York S1-024-36279-000 Relay Els PW 17895 this 16x12x1 boiler filter shouldThe York S1 024 36279 000 is an OEM spec 2 pole switching relay designed for demanding HVACR applications requiring reliable circuit control. Engineered with Normally Open (NO) contacts, this component is optimized for dual circuit switching where low voltage signals must manage higher amperage loads. Featuring a 22VAC coil voltage, it integrates seamlessly into York and Johnson Controls systems that utilize specific control transformer outputs. The