FITS LENNOX ARMSTRONG DUCANE R01851A007 Furnace Limit Switch L130-20F

( Brand: Fits Lennox Armstrong Ducane ), ( Part Type: Furnace Switch ), ( Manufacturer Part Number: R01851A007 )

Review FITS LENNOX ARMSTRONG DUCANE Furnace Limit Switch

Introducing the Lennox Armstrong Air Ducane R01851A007 Furnace Limit Switch, an essential component designed to ensure the safe and efficient operation of your heating system. This limit switch is engineered specifically for use with the Ducane R018 series of furnaces, offering a perfect fit and reliable performance.

The Lennox Armstrong Air Ducane R01851A007 Furnace Limit Switch is a simple yet crucial part that monitors the furnace's temperature. It is designed to prevent the furnace from overheating, ensuring both energy savings and longevity for your heating system. This limit switch is designed to meet the rigorous standards of Lennox, a leading name in the HVAC industry, ensuring top-notch quality and performance.

This limit switch features a robust and durable design, with a 2-pole, 3-position design that allows for normal, high limit, and fan delay functions. It is designed to fit seamlessly into your existing system, with a screw terminal connection that simplifies installation and reduces the need for solder connections.

The Lennox Armstrong Air Ducane R01851A007 Furnace Limit Switch is manufactured using high-quality materials, including a thermostat rated for 600 degrees Fahrenheit and a flame sensor rated for 2500 degrees Fahrenheit. These high temperature ratings ensure that the switch can reliably and accurately detect temperature changes in even the most demanding heating environments.

The switch also includes a built-in fan delay function, which allows the fan to continue running for a short period after the heating cycle has finished. This feature helps ensure that warm air is evenly distributed throughout your home, providing greater comfort and consistency in your heating experience.

In conclusion, the Lennox Armstrong Air Ducane R01851A007 Furnace Limit Switch is a must-have upgrade for your heating system. Its robust design, accurate temperature sensing, and built-in fan delay function make it an essential component for any Ducane R018 series furnace, ensuring safe and efficient operation while providing greater comfort and consistency in your home's heating experience.

Lennox Armstrong Airco R01851A007 Furnace Limit Switch: A Comprehensive Analysis

The Lennox Armstrong Airco R01851A007 is a limit switch designed for use in gas furnaces. This component plays a crucial role in ensuring the furnace operates safely and efficiently by controlling the heating cycle based on temperature. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this limit switch.

1. Reliability: Lennox, a leading HVAC manufacturer, is known for producing high-quality heating and cooling equipment. The R01851A007 limit switch is no exception. It is designed to provide long-lasting performance and durability.

2. Easy Installation: This limit switch is engineered to be a direct replacement for many commonly used limit switches in Lennox furnaces. The installation process is straightforward, and most homeowners or HVAC technicians can complete it in a short amount of time.

3. Temperature Safety: The primary function of a limit switch is to prevent the furnace from overheating. The R01851A007 limit switch effectively controls the heating cycle to ensure the furnace operates within safe temperature limits, preventing potential damage and ensuring consistent comfort.

4. Energy Efficiency: By maintaining proper temperature control, the R01851A007 limit switch can contribute to improved energy efficiency. When the furnace operates efficiently, it consumes less energy and saves money on utility bills.

1. Cost: Replacing a limit switch may not be a significant expense, but the price of the Lennox R01851A007 model is somewhat higher than some competitors. However, the higher cost is likely due to Lennox's reputation for quality and reliability.

2. Limited Compatibility: Although this limit switch is designed to work with many Lennox furnaces, it may not be compatible with all models. It is essential to verify compatibility before making a purchase to avoid potential issues.

3. Availability: Occasionally, it may be challenging to find the R01851A007 limit switch in local retail stores. Homeowners or technicians may need to order it online or through a distributor, which could lead to slightly longer wait times for replacement.

The Lennox Armstrong Airco R01851A007 limit switch offers several advantages, such as reliability, easy installation, temperature safety, and energy efficiency. However, it also has some disadvantages, such as a higher cost, limited compatibility, and potential availability issues. Ultimately, the decision to purchase this limit switch depends on the specific requirements and preferences of the homeowner or HVAC professional. If a Lennox furnace requires a replacement limit switch and the R01851A007 model is compatible, its benefits may outweigh the costs.

Details:

Please see all photos. Packed and ready to ship.

part #: r01851a007 prices

• $22.19-$44.70

specifications aerationaura:

• brand: Fits Lennox Armstrong Ducane
• part type: Furnace Switch
• manufacturer part number: R01851A007

returns aerationaura:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

general aerationaura:

• condition: Open box
• Home Improvement > Heating, Cooling Air > Other Heating, Cooling Air

seller aerationaura:

• city: Billings, Montana
• # reviews: 13462
• rating: 100.0%

offer aerationaura:

• options: Ship-to-home
• started: December 27, 2025
• availability: In Stock
• quantity: 1
• sold: 0

payments aerationaura:

• wallet: Apple-pay
• credit card: Discover
• other

shipping aerationaura:

• class: Standard
• cost: $0.00
• type: Calculated
• carrier: USPS
• service: USPS First Class
• transit: 4-10 Days

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