White-Rodgers 21D83M-843 Furnace Control Board

Product Description

The White-Rodgers 21D83M-843 Furnace Control Board is an essential component for gas heating systems. This integrated control board replaces multiple models and ensures efficient operation of various furnace parts.

• Controls gas valve, ignitor, blower, inducer, humidifier, and air cleaner
• Includes diagnostic indicator flash codes
• Three fan speeds

Product Highlights

This furnace control board by White-Rodgers offers advanced features like diagnostic indicators and multiple fan speeds. It is designed for easy installation and compatible with numerous gas heating systems.

Product Information

Standard Information

• Brand: White-Rodgers
• MPN: 21D83M-843
• Manufacturer: Emerson Electric

Technical Specifications

• Voltage: 25 VAC
• Amperage: 0.45 A
• Prepurge Time: 15 seconds
• Country of Origin: Mexico
• Ignitor Relay: 2 A at 120 VAC 50/60 Hz (resistive)
• Inducer Relay: 2.2 FLA to 3.5 LRA at 120 VAC
• Circulator Relay: 14.5 FLA to 25.0 LRA at 120 VAC
• Humidity Range: 5% to 93% relative humidity (non-condensing)
• Operating Temperature: -40 to 175°F
• Replacement Models: 50A66-843, 50A66-122, 50A66-123
• Certifications: CSA Certified