F110-20F White Rodgers fan switch 3F01-110

White Rodgers / Emerson 3F01‑110 Fan Switch — F110‑20F (60T12‑610044) The 3F01‑110 is a fixed‑temperature snap‑disc fan switch used in furnaces, heaters, and HVAC equipment requiring automatic blower control. Rated 110°F cut‑in and 90°F cut‑out, this switch closes on temperature rise to start the blower and opens on temperature fall to shut it off.

Built on the 60T12 platform, this OEM switch provides reliable temperature sensing, fast snap‑action response, and long‑life auto‑reset operation. Ideal replacement for worn or drifting fan switches causing late blower starts, short cycling, or overheating.

🔧 Technical Specifications

• Model: 3F01‑110

• Temperature Rating:

  • Cut‑In: 110°F

  • Cut‑Out: 90°F

• Switch Action: Close on rise

• Reset Type: Automatic

• Disc Size: 60T12

• Mounting: Standard 60T12 flange

• Electrical: SPST snap‑disc control

• Application: Furnace blower control, heaters, HVAC equipment

🔧 Cross‑Reference Block (Copy/Paste)

Cross Reference:

• 3F01‑110 (White Rodgers / Emerson)

• F110‑20F

• 60T12‑610044

• 610044

• Fixed fan switch — 110°F ON / 90°F OFF

Fan switch, F110-20F. Size 60T12. Also known as part# 610044.

Controls, Temperature, 110 degrees F Fixed Cut-in Temperature, 90 degrees F Fixed Cut-out Temperature, Close on Rise Switch Action, Snap Disc Auto Reset Fan Switch (60T12-610044)