LENNOX 2312-100839M Armstrong Furnace Control 1170-32 106506-01

( Brand: Lennox ), ( Manufacturer Part Number: 2312-100839M ), ( Model: 1170-32 2312-100839M ), ( Part Type: Control )

Review LENNOX Armstrong Furnace Control

The **Lennox 2312-100839M Armstrong 106506-01 Furnace Control (Model 1170-32)** is a high-performance, digitally advanced thermostat designed to seamlessly integrate with Lennox s line of gas-fired furnaces, delivering unparalleled comfort, energy efficiency, and precision climate control for residential and light commercial applications. Engineered with a robust **Armstrong 106506-01** control board, this furnace control module is built to withstand demanding operating conditions while ensuring reliable performance, making it an ideal choice for homeowners and HVAC technicians seeking a durable and efficient solution. The **1170-32** designation indicates its compatibility with Lennox s **M series** furnaces, including models like the **M1000, M2000, and M3000 series**, where it serves as the central brain for modulating gas valve operation, fan control, and safety interlocks, all while optimizing heating efficiency through advanced feedback loops.

This furnace control features a **microprocessor-based architecture**, allowing for precise temperature modulation and adaptive response times to minimize energy waste while maintaining consistent indoor comfort. Its **digital signal processing** capabilities enable seamless communication with Lennox s high-efficiency burners, ensuring optimal fuel combustion and reduced emissions. The control module is equipped with **integrated diagnostics**, providing clear error codes and fault detection to streamline troubleshooting, whether for routine maintenance or unexpected malfunctions. Additionally, it includes **safety interlocks** such as flame detection, limit switches, and overheat protection, adhering to strict industry standards to prevent system failures and ensure occupant safety.

Built with **industrial-grade components**, the Lennox 2312-100839M is designed for long-term reliability, featuring a **rugged metal enclosure** that protects against dust, moisture, and electrical interference critical factors in harsh environmental conditions. Its **modular design** allows for easy installation and replacement, reducing downtime and labor costs during HVAC servicing. The control board is engineered to work in tandem with Lennox s **variable-speed blower motors** and **modulating gas valves**, enabling zoned heating solutions and adaptive efficiency adjustments based on real-time demand. Whether used in a single-zone or multi-zone system, this furnace control ensures smooth operation, quiet performance, and energy savings of up to **20% or more** compared to traditional on/off furnaces.

For technicians, the **Lennox 2312-100839M** offers a user-friendly interface with **LED status indicators** and **programmable settings**, allowing for customization of heating schedules, fan operation, and system diagnostics. Its compatibility with **Lennox s iComfort and Sensi smart thermostats** further enhances its functionality, enabling remote control via smartphone apps and integration with home automation systems. Whether installed in a new construction or retrofitted into an existing Lennox furnace, this control module represents a cutting-edge investment in heating efficiency, comfort, and system longevity, making it a standout choice for both residential and light commercial applications.

### **Pros and Cons of buying a Lennox 2312-100839M (Armstrong 106506-01) Furnace Control (Model 1170-32)**

1. **Compatibility with Lennox Furnaces** This control board is specifically designed for use with certain Lennox gas furnaces, ensuring proper functionality and integration with the system s heating and safety features.

2. **Reliability** Lennox is a well-known brand in the HVAC industry, and their control boards are generally built to last, reducing the risk of frequent failures compared to generic or aftermarket parts.

3. **Safety Features** The control board includes safety mechanisms such as flame detection, limit switches, and lockout features to prevent overheating, gas leaks, or other hazards.

4. **Efficiency Optimization** A properly functioning control board helps maintain the furnace s efficiency by regulating airflow, ignition, and combustion processes, which can lower energy costs over time.

5. **Warranty Coverage** If purchased new or from an authorized dealer, this part may still be under warranty, providing protection against defects.

6. **Ease of Installation** Since it is an OEM (Original Equipment Manufacturer) part, it should fit seamlessly into the existing furnace setup with minimal adjustments.

7. **Long-Term Cost Savings** Using a genuine Lennox part reduces the risk of compatibility issues that could lead to costly repairs or premature furnace failure.

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1. **High Cost** As an OEM part, this control board is likely more expensive than generic or aftermarket alternatives, which may not offer the same level of reliability or compatibility.

2. **Limited Availability** Depending on the region, finding this specific part may require ordering from a Lennox distributor or authorized dealer, which could involve shipping delays.

3. **Potential Obsolescence** If the furnace is older, newer Lennox models may use updated control boards with different features or wiring configurations, making upgrades or replacements more complex.

4. **Technical Complexity** Replacing a control board requires electrical knowledge and careful handling of wiring to avoid short circuits or damage to the furnace. DIY installation may not be recommended unless the technician is experienced.

5. **No Additional Features** Unlike some newer smart thermostats or advanced controls, this is a basic furnace control board without programmable or Wi-Fi-enabled features.

6. **Possible Counterfeit Risks** If purchasing from an untrusted seller (e.g., eBay, Amazon third-party), there is a risk of receiving a counterfeit or refurbished part that may not function correctly.

7. **Warranty Void Risk** Improper installation or tampering with the furnace s original components could void the manufacturer s warranty, leaving the owner responsible for any future issues.

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### **Conclusion**

The **Lennox 2312-100839M (Armstrong 106506-01) 1170-32 furnace control board** is a reliable, high-quality replacement part for Lennox gas furnaces, offering compatibility, safety, and efficiency benefits. However, its cost, limited availability, and technical installation requirements make it less ideal for budget-conscious buyers or those without HVAC expertise.

For most homeowners, **purchasing from an authorized Lennox dealer or HVAC professional** is the safest option to ensure authenticity and proper installation. If cost is a concern, a technician could assess whether a cheaper aftermarket part would work safely though this carries some risk.

### **Recommendation**

- **If the furnace is under warranty or you need a guaranteed fit**, buy the **OEM Lennox part** from an authorized dealer and have a licensed HVAC technician install it.

- **If the furnace is older and the control board is failing**, consider whether upgrading to a newer model with advanced controls might be more cost-effective in the long run.

- **Avoid generic replacements** unless a technician confirms they are compatible, as mismatched parts can cause safety hazards or void warranties.

- **Budget for professional installation** DIY electrical work on furnaces can be dangerous and may lead to further damage.

Ultimately, investing in the **correct, high-quality part** from a trusted source ensures your furnace operates safely and efficiently for years to come.

Details:

If you would like it faster, let me know so I can give a quote for next day shipping. I don't know whether it was properly diagnosed, verified, or installed by a trained HVAC technician but rest assured that is working part thoroughly gone through. If you would like next day shipping, I can also accommodate that. This part was removed from a working furnace so it my be dusty/dirty.

I always print and ship the same day. Up for sale is the actual item you see in pictures. I always ship for free the same or next day via Priority Mail USPS.

part #: 2312100839m prices

• $59.80-$79.99

specifications hvaapa:

• brand: Lennox
• mpn: 2312-100839m
• model: 1170-32 2312-100839m
• part type: Control

shipping hvaapa:

• type: Calculated
• class: Expedited
• service: USPS Priority Mail
• carrier: USPS
• transit: 2-6 Days
• cost: $0.00

payments hvaapa:

• other
• credit card: Visa
• wallet: Google-pay

general hvaapa:

• condition: Used
• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards

offer hvaapa:

• quantity: 1
• options: Ship-to-home
• sold: 0
• started: June 9, 2026
• availability: In Stock

seller hvaapa:

• city: Roseville, Michigan
• rating: 99.7%
• # reviews: 4538

returns hvaapa:

• policy: No Returns

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