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While the 20-inch diameter is common
Key Benefits Vibration Isolation: The rubber-mounted cartridge design significantly reduces mechanical hum and system vibration
preventing nuisance lockouts and ensuring safe burner operation in high-cycle environments
Key Benefits for Technicians: OEM Compatibility: Precision-engineered for a seamless drop-in replacement in Armstrong and Allied Air equipment
this washable aluminum mesh filter is engineered to capture large airborne particulates
Lennox 63W39 Pressure Switch Els PW 17895 While the 20-inch diameter isThe Lennox 63W39 Pressure Switch is the direct replacement for 56M23 and the 101021 13 assembly. This OEM 2 stage pressure switch is a mission critical safety component engineered to monitor flue gas velocity and verify proper inducer motor operation before the ignition sequence begins. Designed for high efficiency dual stage furnaces, it features precision factory calibrated set points of . 50" WC for the low fire stage and . 85" WC for the high fire