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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
The internal footprint measures 3-7/8 inches in length
Key Benefits for Contractors Direct OEM Fit: Eliminates the need for universal hub adapters
This direct drive blower motor operates at 1/3 HP and 1075 RPM
Industrial Build Quality: Designed to withstand high-temperature flue gases and frequent cycling
This fail-safe actuator ensures the system returns to the safety position during a power loss
Lennox 34M73 Pressure Switch L99H008 The internal footprint measures 3-7/8The Lennox 34M73 Pressure Switch is a critical safety component designed for precise furnace draft inducer monitoring in residential and commercial heating systems. This OEM Lennox replacement part is factory calibrated to a . 22"wc set point, ensuring the exhaust vent maintains adequate negative pressure before allowing the ignition sequence to proceed. Featuring a Single Pole Single Throw (SPST) configuration and a standard 1 4" barb connection,
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