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Installation Flexibility: The 7/8" x 1 1/8" sweat straight-body configuration simplifies integration into large-diameter piping runs
Direct Compatibility: Engineered specifically for Galaxy boiler applications
Its electronic sensing eliminates the risk of capillary tube failure
ensuring no bracket or wiring modifications are needed
Lennox 34M73 Pressure Switch 30067439-890 Installation Flexibility: The 7/8" xThe 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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