Brief Description: The Honeywell L4064B2210 is a robust combination fan and limit control used in residential and commercial heating systems (e.g., furnaces, boilers). It ensures safe operation by: Fan Control: Automatically turns the blower ON/OFF based on adjustable temperature settings. Limit Control: Acts as a safety switch to shut off the burner if temperatures exceed safe limits. Key Features: ✔ Dual-function design (fan + safety limit in one unit) ✔ High-current switching (up to 25A) ✔ Adjustable fan control range (100°F–200°F) ✔ Fixed high-limit cutoff (200°F–250°F) for safety ✔ Durable steel housing for long-term reliability Typical Applications: Gas/oil furnaces Boilers Heat pumps Commercial HVAC systems
