L4064B2228 Honeywell Fan and Limit Control Switch


The Honeywell fan limit control part number: L4064B2228 has a 5″ insertion length and a 3/4″ insertion diameter. The Honeywell L4064 B 2228 is used for control of high limit and fan motors in all types of forced air heating systems.

SKU: honeywell4064B2228 Categories: ,



  • Three wiring terminal options available for easy installation:
  • Push-in receptacles for stripped wire.
  • Female receptacles for 1/4 in. male flag connectors.
  • Field add-on screw terminals.
  • Controls adapt to many competitive mounting holes in replacement applications.
  • Available in a variety of fan and high limit setting ranges.
  • L4064B,W models have manual fan switch that overrides fan control to keep fan running continuously.
  • SUPER TRADELINE models with mounting adapters for easy installation and strain relief bushings to protect wiring from field abuse.


  • Application: Forced warm air heating systems
  • High Limit Temperature Range (F): 100 to 250 F
  • Fan on Range: 65 to 215 F
  • Fan off Range: 50 to 200 F
  • High Limit Stop: 200 F
  • Low Limit Stop: 100 F
  • Fan on Stop: 100 F
  • Switching Action: Fan switch makes and high limit switch breaks on temperature rise.

Additional information

Weight 2.5 lbs
Dimensions 5 × 5 × 5 in