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this auto reset limit switch monitors internal plenum temperatures to prevent heat exchanger damage and hazardous operating conditions
Key Benefits Ensures Minimum Bend Radius: Prevents 3-inch radius violations that lead to sensor probe fatigue and failure
While primarily used for pilot flames
it requires a field technician to physically inspect the heat exchanger and venting for blockages or cracks before restoring furnace operation
Key Benefits: Broad Compatibility: Supports the full range of VB-7000 valve bodies from 1/2" to 2" in both 2-way and 3-way configurations
Lennox 49L90 Pressure Switch Els PW 17895 this auto reset limit switchEnsure reliable combustion safety and system performance with the Lennox 49L90 Pressure Switch. This genuine OEM component, which is a direct replacement for Lennox 49L9001 and Honeywell IS20100 3072, is engineered specifically for Lennox furnace pressure switch applications requiring a precise . 47" WC (water column) trip point. Featuring a 1 4" barb connection for secure pneumatic hosing and a single pole single throw (SPST) configuration, this
