LENNOXFixed Set-Point Air Pressure Switches
LENNOX Pressure Switch: Fixed, Auto Reset, Open Mounted, SPST, 1/4 in Sample Line Connection Size
The LENNOX Fixed Set-Point Air Pressure Switch (SKU 877HY7, MPN 57W79) is a fixed, auto-reset, open-mounted SPST switch with a 1/4 in barb sample line connection. It operates at 24V AC switch voltage.
SKU 3G-OTH-69269
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LENNOX Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The LENNOX Fixed Set-Point Air Pressure Switch (SKU 877HY7, MPN 57W79) is a fixed, auto-reset, open-mounted SPST switch with a 1/4 in barb sample line connection. It operates at 24V AC switch voltage.
Used in
Common applications for LENNOXCommercial HVAC maintenance — Lennox blower wheel 31G67 for replacing worn fans in rooftop units
Gas furnace repair — Lennox induced draft blower 56W68 for exhaust system replacement in residential furnaces
Thermostat upgrade — Lennox 24Z12 for manual control in heat and cool applications in office buildings
Safety system replacement — Lennox limit switch 26G78 for over-temperature protection in industrial heaters
Heat exchanger retrofit — Lennox heat exchanger assembly 96L74 for furnace repair in manufacturing facilities
LENNOX Products
3G Electric supplies LENNOX fixed set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
