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

Thermal Endurance: Features Class F insulation rated for high-temperature industrial environments

Durable Construction: High-quality encapsulation protects internal copper windings from environmental contaminants and vibration

bypassing the pan entirely

Lochinvar & A.O. Smith 100208407 Switch Els PW 17895 This 4-bolt flange ball bearingThe Lochinvar & A. O. Smith 100208407 Blocked Flue Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a factory authorized replacement for PRS2708 and PRS2708K, this blocked flue pressure switch is calibrated to a specific 55" WC set point to detect dangerous venting restrictions. When flue gases cannot exit the heat exchanger due to obstructions like bird nests, ice, or excessive condensate