Armstrong Furnace R40403-003 Control Board

May 22, 2022

Welcome to Metate Industrial Supply, your trusted source for high-quality HVAC products. In this section, we are proud to present the Armstrong Furnace R40403-003 Control Board. This advanced control board is specifically designed to optimize the performance of your Armstrong furnace, ensuring efficient and reliable heating for your residential or commercial spaces.

Enhance Your Furnace Performance

The Armstrong Furnace R40403-003 Control Board is a vital component in your heating system. Its main purpose is to manage and regulate various operations, allowing your furnace to operate at peak performance levels. With this control board, you can experience enhanced comfort, improved energy efficiency, and prolonged equipment lifespan.

Key Features

This control board comes equipped with a range of innovative features, designed to provide you with the best heating experience possible. Some of its key features include:

  • Advanced System Controls: The Armstrong Furnace R40403-003 Control Board incorporates advanced controls that enable seamless operation and ensure optimal functionality of your heating system.
  • Intelligent Ignition Control: The control board utilizes intelligent ignition control technology, allowing for efficient ignition and safe operation of your Armstrong furnace.
  • Diagnostic Capabilities: This control board is equipped with built-in diagnostic capabilities, providing you with valuable insights into your furnace's performance and facilitating troubleshooting.
  • Easy Installation: The Armstrong Furnace R40403-003 Control Board is designed for easy installation, making it a convenient choice for both professional HVAC technicians and DIY enthusiasts.


Investing in the Armstrong Furnace R40403-003 Control Board can yield various benefits for your heating system and overall comfort. Some notable benefits include:

  • Efficient Heating: The control board optimizes furnace operation, ensuring efficient and even heat distribution throughout your space, resulting in improved comfort.
  • Energy Savings: By regulating and optimizing heating cycles, this control board helps minimize energy consumption, leading to potential energy savings and reduced utility bills.
  • Enhanced Safety: With intelligent ignition control and diagnostic capabilities, the control board enhances safety by monitoring furnace performance and detecting potential issues before they escalate.
  • Extended Equipment Lifespan: By ensuring proper functioning and minimizing strain on your furnace components, this control board can help extend the lifespan of your heating system, reducing the need for costly repairs or replacements.

Trust Metate Industrial Supply

At Metate Industrial Supply, we take pride in offering premium HVAC products that deliver exceptional performance and reliability. As a leading supplier of heating and cooling solutions, we understand the importance of quality components in maximizing your space's comfort and energy efficiency.

When browsing our extensive catalog, you can expect top-notch customer service, competitive pricing, and a wide range of product options. Our knowledgeable team is always ready to assist you in finding the perfect solutions for your specific HVAC needs.

Whether you're a homeowner, contractor, or business owner, trust Metate Industrial Supply as your go-to source for high-quality HVAC products, including the Armstrong Furnace R40403-003 Control Board.

Upgrade your heating system today and experience the performance and comfort benefits that the Armstrong Furnace R40403-003 Control Board has to offer. Place your order with Metate Industrial Supply now and enjoy efficient and reliable heating for years to come.