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allowing for seamless integration into 120V or 277V AC systems without the need for additional transformers
the brass construction and NBR seals are compatible with clean
How does it function as a minimum pressure device
calibrated gate that reacts to minute changes in pressure
making it compatible with a wide range of OT series disconnects
Lennox 11U66 Pressure Switch 320788-702 allowing for seamless integration intoThe Lennox 11U66 Pressure Switch is a critical safety component designed for precise draft monitoring in high efficiency gas furnaces and HVAC systems. As a genuine OEM replacement, this 0. 55" WC pressure switch is factory calibrated to actuate at 0. 55 inches of water column, ensuring the inducer motor is creating sufficient static pressure before the ignition sequence begins. Built by Cleveland Controls (MPN: 11U66 or 104371 03), this single pole
US$ 49.95
US$ 119.95