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Variable Weighted Arm: Features an adjustable counterweight for precise field calibration to match specific blower motor curves and duct configurations
whereas a 2-pole contactor breaks both lines
the 2890099 pressure switch offers a simplified installation protocol by eliminating the need for manual field calibration
Designed for R404A systems
Lennox 91J88 Control Board 320734-701 Variable Weighted Arm: Features anAs a seasoned technician, you know that a failing Lennox 91J88 Control Board is often the culprit behind intermittent ignition or irregular blower cycles. This ICM gas furnace control board is a high performance OEM replacement part designed to manage critical sequences, including ignitor warm up, gas valve timing, and inducer motor speed. Engineered for 120V and 24V applications, it integrates microprocessor based logic to ensure precise flame
US$ 64.00
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