Armstrong 56W23 Furnace Fan and Limit ControlArmstrong 56W23 Furnace Fan and Limit Control is a dependable replacement part that helps regulate blower operation and overheat protection in your heating system. This white, Type Fan and Limit Control is designed for use on furnaces to safely manage the furnace fan and limit switch. As a practical furnace control, it blends core safety with reliable performance. The furnace control coordinates the blower and temperature limits, acting as a sturdy

protected setup

Preserves insulation and protects internal components during maintenance

Designed for easy replacement and quick installation

With a Cv value of 34 and a 20 Watt power rating

5" FR housing

and the 3 ft plenum-rated 18 AWG cable supports safe

This UL- and CSA-listed device supports 120/240 VAC service with current ratings of 7

Durable construction engineered to resist heat

Built with corrosion-resistant materials and precision components

Function: Cold water inlet dip tube

Restores seal integrity and diaphragm performance for leak-free operation

The ignition process is quick