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The full-port design minimizes pressure drop across the valve
eliminating the calibration drift often seen with generic sensors
When dealing with legacy systems using R-12
from full load down to pilot flow applications
Durable Copper Probe: The 5/16" bendable copper probe allows for custom serpentine routing to capture a true average temperature
Lennox 63W40 Pressure Switch L99H008 The full-port design minimizes pressureThe Lennox 63W40 Pressure Switch is a critical OEM replacement component for two stage furnaces and heat pumps, including the G60DF and G60UH series. Designed to ensure safe combustion cycles, this dual pressure switch features factory calibrated set points of 0. 20" WC for low stage operation and 0. 40" WC for high stage performance. As a veteran grade HVAC pressure switch, it monitors the negative pressure generated by the inducer motor, providing