THERM-O-DISC 315391 Furnace Limit Switch D345658P02 L135-30F

( Brand: Therm-o-disc ), ( Model: D345658P02 ), ( Part Type: Furnace Switch ), ( Manufacturer Part Number: 315391 ), ( Country/region Of Manufacture: United States )

Review THERM O DISC Furnace Limit Switch

The Therm-O-Disc 315391 L135-30F furnace limit switch is a crucial component in maintaining the safety and efficiency of your home heating system. This limit switch, specifically model D345658P02, is designed to protect your furnace from overheating and potential damage.

The switch is constructed with a durable, high-quality thermostat disc that accurately measures the temperature rising in the furnace. When the temperature reaches a predetermined level, the disc activates the limit switch, which in turn disengages the gas valve or other applicable components to prevent further heating. This vital safety feature helps prolong the lifespan of your furnace and ensures consistent, reliable performance.

The Therm-O-Disc 315391 L135-30F limit switch is compatible with various furnace makes and models. Its L135-30F designation indicates the voltage and wiring configuration required for proper installation. Specifically, this switch is designed for 115V applications with "W" type terminal connections. Consult your furnace documentation or a professional HVAC technician for confirmation of compatibility before installation.

The switch features a user-friendly design with a visible red indicator light. The light illuminates when the switch is activated, alerting you to potential issues within the furnace. Additionally, the switch is designed to easily mount on the furnace using the included hardware.

This Therm-O-Disc furnace limit switch is manufactured to meet rigorous industry standards for quality and durability. It undergoes extensive testing to ensure it can withstand the demands of continuous use in a heating system environment. The switch is also backed by the Therm-O-Disc brand's commitment to providing top-tier customer service and support.

In summary, the Therm-O-Disc 315391 L135-30F furnace limit switch is an essential safety component for your heating system. Its accurate temperature sensing capabilities, user-friendly design, and compatibility with various furnace models make it a reliable choice for maintaining the safety and efficiency of your home heating system.

Pros and Cons of Buying Therm-o-Disc L135-30F Furnace Limit Switch (D345658P02)

The Therm-o-Disc L135-30F Furnace Limit Switch (D345658P02) is a crucial component in ensuring the safe and efficient operation of your furnace. This part is responsible for regulating the temperature and preventing the furnace from overheating. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this particular limit switch.

1. Reliability: Therm-o-Disc is a well-established brand in the HVAC industry, known for manufacturing high-quality components. The L135-30F limit switch is designed to withstand the rigors of continuous furnace operation, ensuring long-lasting performance.

2. Temperature Safety: The primary function of a limit switch is to prevent the furnace from overheating, which can lead to safety issues such as fires. This switch will help maintain a safe temperature within your heating system.

3. Easy Installation: The Therm-o-Disc L135-30F limit switch is straightforward to install. Most homeowners and HVAC professionals can complete the installation process in a short amount of time.

4. OEM Replacement: By purchasing this OEM (Original Equipment Manufacturer) part, you can ensure a perfect fit and compatibility with your existing furnace system.

1. Cost: Compared to some aftermarket alternatives, the Therm-o-Disc L135-30F limit switch may be more expensive. However, the investment in a high-quality part can save you money in the long run by reducing the need for frequent replacements.

2. Availability: Depending on your location and the specific retailer, availability of this part may be limited. It is essential to check with your local HVAC supplier or online retailer to ensure they carry this particular part before making a purchase.

In conclusion, the Therm-o-Disc L135-30F Furnace Limit Switch (D345658P02) offers several advantages, including reliability, temperature safety, easy installation, and OEM compatibility. Although it may come with a higher price tag compared to some aftermarket alternatives, the investment in a high-quality part can save you money in the long run and provide peace of mind knowing your furnace is operating safely and efficiently. Ultimately, if you require a replacement limit switch for your furnace, it is recommended to consider the Therm-o-Disc L135-30F as a strong contender for your purchase.

Details:

There is NO WARRANTY on used parts. Please see pictures for more details. By purchasing used parts, you agree with the statement that sometimes hidden defects or malfunctions may occur during installation or continuous use. Therm-O-Disc 315391 L135-30F Furnace Limit Switch D345658P02.

Removed from a working unit. Fully tested and guaranteed to work.

part #: 315391 prices

• $16.25-$80.00

specifications aerationaura:

• brand: Therm-o-disc
• model#: D345658P02
• part type: Furnace Switch
• manufacturer part number: 315391
• country/region of manufacture: United States

returns aerationaura:

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

offer aerationaura:

• options: Ship-to-home
• started: August 26, 2025
• quantity: 1
• best offers: True
• sold: 0
• availability: In Stock

payments aerationaura:

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

seller aerationaura:

• rating: 100.0%
• city: Arlington height, Illinois
• # reviews: 1763

general aerationaura:

• Home Improvement > Heating, Cooling Air > Other Heating, Cooling Air
• condition: Used

shipping aerationaura:

• class: Standard
• type: Calculated
• service: USPS Ground Advantage
• transit: 3-8 Days
• cost: $0.00
• carrier: USPS

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