Resideo - Honeywell Home L4029E1219 Fan and Limit Controller

Fan and Limit Controller from Resideo—Honeywell Home L4029E1219—delivers dependable HVAC control for ducted systems. This 3 inch length element insertion unit provides a high limit with manual reset, protecting equipment and preventing overheating in demanding air conditioning and ventilating applications. Designed for duct installations, it combines precise sensing with rugged construction and supports multiple voltage and load scenarios for reliable performance in residential and commercial setups. Temperature ratings include 190°F for switch operation and 350°F for the heating element, enabling fast response to rising temperatures while maintaining system safety.

Key specifications ensure compatibility with a range of controls and wiring configurations, making maintenance straightforward and predictable. The unit offers SPST and NC contact configurations, 1/2 inch conduit connections, and UL/CSA approvals for added peace of mind. It is sized for compact installation while delivering solid current handling across common HVAC loads.

• Type: 3 Inch Length Element Insertion
• High Limit with Manual Reset
• Electrical ratings: 2 A at 30 V AC; 10 A at 120 V AC; 5 A at 240 V AC (full load); 60 A at 120 V AC; 30 A at 240 V AC (locked rotor)
• Pilot duty: 0.25 A at 0.25–12 V DC
• Contact: SPST, NC
• Connection: 1/2 inch conduit
• Application: Air Conditioning and Ventilating System Duct
• Approvals: UL, CSA
• Dimensions: 2-5/16 in W x 2 in D x 3-3/4 in H