R20017402

The Ducane R20017402 limit switch is an essential component of your Ducane furnace system, designed to ensure safe and efficient operation. This limit switch, specifically modeled as L350, is engineered to detect the furnace's temperature and prevent it from overheating.

The switch is constructed using high-quality materials, ensuring durability and reliability. Its robust design enables it to withstand the demanding conditions within a furnace, making it a long-lasting solution for your heating needs. The switch is also relatively small in size, measuring approximately 3 inches long, 2 inches wide, and 1 inch thick, allowing it to fit seamlessly into your furnace's electrical system.

The Ducane R20017402 limit switch operates by monitoring the furnace's temperature using a thermostat. Once the temperature reaches a predetermined level, the switch activates, signaling the furnace to shut off. This critical function helps prevent damage to the furnace and ensures the safety of your home.

Installation of the Ducane R20017402 limit switch is a straightforward process, typically involving a few wires connected to the switch and the furnace's control board. The switch comes with clear and concise instructions to guide you through the installation process. Additionally, if you ever encounter any issues with the switch, Ducane offers a dedicated customer support team that can help you troubleshoot and resolve any problems.

In summary, the Ducane R20017402 limit switch L350 is an essential safety component for your Ducane furnace. Its robust design, reliable temperature monitoring capabilities, and straightforward installation make it an indispensable addition to your heating system. With this limit switch, you can enjoy peace of mind knowing that your furnace is operating safely and efficiently, ensuring your home remains warm and comfortable throughout the year.

Pros and Cons of Buying Ducane R20017402 Furnace Limit Switch

The Ducane R20017402 is a limit switch designed for use in furnaces. This component helps ensure the safe operation of the heating system by preventing the furnace from overheating. Here are some potential advantages and disadvantages of purchasing this specific limit switch.

1. Compatibility: The Ducane R20017402 is specifically designed to work with Ducane furnaces, ensuring a precise fit and reliable performance.

2. Energy Efficiency: A functioning limit switch helps maintain optimal furnace operation, which can lead to energy savings in the long run.

3. Safety: By preventing the furnace from overheating, a limit switch like the Ducane R20017402 contributes to the overall safety of your heating system and home.

4. Easy Installation: This limit switch is designed with a user-friendly installation process, allowing homeowners or HVAC professionals to replace the old switch without too much hassle.

5. Durability: Ducane is a reputable brand known for manufacturing high-quality heating components, including limit switches.

1. Cost: Compared to some other limit switches on the market, the Ducane R20017402 may be considered more expensive.

2. Availability: Depending on your location, it may be difficult to find this specific limit switch in local stores, making online purchasing the only option.

3. Single Brand Compatibility: Since this limit switch is designed for use with Ducane furnaces only, it may not be a viable option for homeowners with different furnace brands.

The Ducane R20017402 limit switch offers several advantages, including compatibility with Ducane furnaces, energy efficiency, safety, easy installation, and durability. However, it also comes with some disadvantages, such as a higher cost, limited availability, and single brand compatibility. Ultimately, the decision to purchase this limit switch depends on your specific heating system requirements, availability, and budget. If you own a Ducane furnace and need a reliable replacement for your limit switch, the Ducane R20017402 could be an excellent choice. If you're looking for a more affordable or universally compatible option, you may want to explore other brands and models.

Details:

Please double check the label in pictures and make sure you are buying correct item. The boxes will show signs of wear or be dusty from being on a shelf. Most listings have a stock picture.

specifications centrafurn:

• brand: Ducane
• mpn: R20017402
• type: Central Furnace
• control style: Switch
• power source: Gas
• heating system: Furnace

general centrafurn:

• category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces

seller centrafurn:

• city: valparaiso, indiana
• # reviews: 313
• rating: 99.7%

returns centrafurn:

• policy: no returns

payments centrafurn:

• other
• credit card: discover
• wallet: paypal

offer centrafurn:

• started: november 11, 2025
• in stock #: 5
• prices: $10.99–$33.10
• item condition:
  • New
  • Open box
• options: ship-to-home
• availability: in stock
• sold #: 14
• best offers: true

shipping centrafurn:

• service: usps ground advantage
• class: standard
• transit: 4-8 days
• carrier: usps
• type: fixed

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