the 30HX680005 ensures consistent lubrication and prevents premature mechanical failure

Standard two-wire polarity insensitive leads simplify installation and integration with various field controllers

User Setpoint Control: Features localized temperature adjustment

Once the pressure rises to the 60 PSI close setpoint

Featuring a 7/8" ID connection and a 60 oz refrigerant capacity

Lennox 11U66 Pressure Switch 320788-702 the 30HX680005 ensures consistent lubricationThe 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