the 476-0253-644 is a large bore seal kit that includes the lead-free brass shaft sleeve

1/4" NPTF x 1/4" ACC Angle Valve

This 4-bolt flange ball bearing is an authentic OEM York replacement part engineered for demanding air-side and drive-train applications

For maximum vibration dampening

Whether you are performing a thermostat retrofit or correcting calibration drift in a large-scale facility

Resideo THM5421R1021 Module 323269-701 the 476-0253-644 is a largeThe Resideo THM5421R1021 Module is a professional grade RedLINK Equipment Interface Module (EIM) designed to streamline complex HVAC installations. As a centralized hub, this EIM allows technicians to manage high stage equipment and Indoor Air Quality (IAQ) accessories using only two wires at the thermostat location. It is fully compatible with Prestige IAQ and VisionPRO 8000 with RedLINK series thermostats, providing a robust solution for retrofits