338085-403

The Carrier 338085-403 and 338096-703 L165-20F furnace limit switches are essential components of your Carrier heating system, designed to ensure safe and efficient operation. These limit switches work in conjunction with your furnace to maintain the desired temperature and prevent overheating.

The 338085-403 and 338096-703 models are interchangeable and can be used for either the high or low limit switch applications. Both switches are factory calibrated and tested to meet Carrier's stringent quality standards.

The L165-20F limit switches feature a robust, thermally-protected design, with a heat-sensitive element that activates when the furnace temperature reaches a predetermined level. This temperature-sensitive component helps protect your furnace from potential damage due to overheating, ensuring longer lifespan and improved performance.

These limit switches are built to withstand the rigors of continuous use in a heating application. The high-quality materials used in their construction ensure reliable operation, even in the harshest environments. The switches also have a clear, easy-to-understand indicator that shows when they have been activated, allowing for quick identification of any issues.

Installation of the Carrier 338085-403 and 338096-703 L165-20F limit switches is straightforward. They are designed to be easily replaceable, and replacement typically involves disconnecting the wires from the old switch, connecting them to the new switch, and securing the switch in place with the provided mounting hardware.

By choosing the Carrier 338085-403 and 338096-703 L165-20F furnace limit switches, you are investing in the reliable and efficient operation of your heating system. These switches are an essential component in maintaining a comfortable living environment, and their robust design ensures that they will provide years of dependable service.

Pros and Cons of Buying Carrier L165-20F Furnace Limit Switch (Model Numbers 338085-403 and 338096-703)

The Carrier L165-20F furnace limit switch, available under model numbers 338085-403 and 338096-703, is a critical component in maintaining the proper functioning of your Carrier furnace. Let's weigh the pros and cons of purchasing this part.

1. OEM (Original Equipment Manufacturer) part: This limit switch is an original Carrier part, ensuring compatibility and reliability with your specific furnace model.

2. Improved safety: A faulty limit switch can cause safety concerns, such as overheating or continuous cycling. Replacing it with a new one can help prevent these issues.

3. Energy efficiency: A functioning limit switch contributes to your furnace's overall energy efficiency by ensuring proper temperature control and preventing unnecessary cycling.

1. Cost: Original equipment manufacturer parts, like the Carrier L165-20F limit switch, can be more expensive compared to aftermarket alternatives.

2. Availability: Depending on your location and supplier, it might take some time to source and receive this part, potentially causing inconvenience.

3. Installation complexity: Although a limit switch is a relatively simple component, the installation process might require some technical knowledge and time.

The Carrier L165-20F furnace limit switch (models 338085-403 and 338096-703) is an essential part for maintaining the safety and efficiency of your Carrier furnace. While its OEM status ensures compatibility and reliability, the higher cost and potential installation complexities are important considerations. Ultimately, the decision to purchase this part depends on your priorities, budget, and technical abilities. If you value the peace of mind and added efficiency that come with using an OEM part, this switch may be the right choice for you. However, if you're looking to save costs, you might consider exploring aftermarket alternatives or seeking professional assistance to help you evaluate your options.

Details:

New in package genuine Carrier replacement limit switch new.

specifications maxohvac:

• brand: Carrier
• mpn: 338085-403
• model: 338096-703
• type: Limit Switch
• country of origin: United States
• upc: 737287113443

offer maxohvac:

• in stock #: 5
• options: ship-to-home
• sold #: 11
• prices: $17.50–$49.00
• item condition: New
• started: march 28, 2026
• availability: in stock

returns maxohvac:

• policy: no returns

seller maxohvac:

• rating: 99.5%
• city: bethel, minnesota
• # reviews: 15284

shipping maxohvac:

• type: fixed
• Carrier: usps
• transit: 4-10 days
• class: standard
• service: usps ground advantage

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

payments maxohvac:

• credit card: visa
• other
• wallet: google-pay

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