Pay in 4 interest-free payments of $6.39 Learn more
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
1KW heater assembly is built to OEM specifications for York units
this is a 'Less Plug' model
which can be left disconnected if the boiler or pump logic does not require it
Cast metal gears provide higher shear strength and greater resistance to heat-related warping
Lennox 11U71 Pressure Switch 320788-702 1KW heater assembly is builtThe Lennox 11U71 High Altitude Pressure Switch is a critical safety component designed for furnace pressure switch replacement in systems operating at elevations between 4,500 and 7,500 feet. Calibrated with a precise 0. 85" WC (water column) actuation point, this OEM Lennox part ensures the inducer motor generates sufficient static pressure for safe combustion before allowing the gas valve to energize. This specific 104371 08 model is a SPST N. O.
