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Duotone aurora — cool blue brief on the left, soft violet sheet on the right for cargo details.
This heavy-gauge steel housing is built for industrial-grade durability
Its durable construction resists blade deformation under high-velocity operation
preventing vibration-induced noise or mechanical interference with the fan blades
reducing wear on actuator linkages and internal seals
Universal Compatibility: Optimized for 4H/2C systems
Lennox 36W77 Pressure Switch 321042-401 This heavy-gauge steel housing isAs a seasoned technician, you know that a failing 2 stage pressure switch can ground a high efficiency furnace during the peak of the heating season. The Lennox 36W77 is a dual stage assembly engineered specifically for variable capacity and modulating furnaces, such as the G71MPP series. This genuine HVAC OEM part features two distinct set pointsa Low Fire stage at 0. 25" W. C. and a High Fire stage at 1. 22" W. C.to ensure the inducer motor is
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