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