
23902 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $25.00 | Condition is New, THERM O DISC CONTROL F&L AS1 23902 626023, shipping cost = $6.50 | 99.7% |

The Nordyne Therm-O-Disc 23902 limit switch is an essential component of your heating system, designed to ensure safe and efficient operation of your furnace. This analog mechanical limit switch is specifically designed for use with Nordyne furnaces with model number 626023.
The Therm-O-Disc 23902 limit switch is a temperature-sensitive device that monitors the furnace's temperature. It is designed to activate the furnace's safety control when the temperature reaches a predetermined level. This feature helps prevent damage to the furnace and ensures that it operates within safe temperature limits.
The switch is constructed of high-quality materials, with a robust design that can withstand the rigors of continuous furnace operation. The switch's sensing element is made of a reliable thermal material that accurately detects temperature changes. The switch's body is made of durable materials that resist corrosion and wear, ensuring long-lasting performance.
The Therm-O-Disc 23902 limit switch is easy to install and requires no special tools or wiring. It is designed to fit securely into the furnace's limit switch mounting bracket, with clear markings on the switch to facilitate accurate installation. The switch is designed to be easily adjustable, with a simple set screw mechanism that allows you to adjust the switch's temperature setting to meet your specific heating needs.
The switch has a large, easy-to-read dial that displays the current temperature setting. The dial is graduated in degrees Fahrenheit, making it easy to set the temperature to your desired level. The switch also features a fail-safe design, which means that if the switch fails to operate, the furnace will automatically shut down to prevent damage.
In summary, the Nordyne Therm-O-Disc 23902 limit switch is a vital component of your heating system, designed to ensure safe and efficient operation of your furnace. Its robust design, accurate temperature sensing, and easy installation make it an ideal choice for homeowners looking for a reliable and effective limit switch solution for their Nordyne furnace.
Pros and Cons of Buying a Nordyne Therm-o-Disc 23902 Limit Switch
The Nordyne Therm-o-Disc 23902 limit switch is an essential component in the heating system for maintaining safe temperature levels. This analog mechanical switch is designed for Nordyne furnaces with model number 626023. In this analysis, we will discuss the advantages and disadvantages of purchasing this limit switch.
Pros:1. Reliability: Mechanical limit switches like the Nordyne Therm-o-Disc 23902 are known for their durability and reliability. They have fewer electronic components, which reduces the chances of failure.
2. Cost-effective: Mechanical limit switches are generally more affordable than their digital counterparts. This can be an attractive option for homeowners looking to save on replacement costs.
3. Easy to install: These limit switches are relatively easy to install compared to digital switches. Homeowners with basic DIY skills can typically install the switch in a short amount of time.
Cons:1. Limited features: Mechanical limit switches like the Nordyne Therm-o-Disc 23902 do not offer the advanced features that digital switches provide, such as temperature monitoring and adjustment.
2. Less precise temperature control: Mechanical limit switches may not offer the same level of precision in temperature control as digital switches. This could result in less consistent heating or cooling performance.
3. Manual reset: In case of a fault, mechanical limit switches require a manual reset, which can be inconvenient for homeowners.
Conclusion:When considering the purchase of a Nordyne Therm-o-Disc 23902 limit switch, homeowners should weigh the pros and cons carefully. If reliability, ease of installation, and cost-effectiveness are the primary concerns, then this mechanical limit switch could be an excellent choice. However, homeowners seeking advanced temperature control features, precise temperature readings, or automatic reset capabilities may prefer a digital limit switch. Ultimately, the decision depends on individual preferences, budget, and heating system requirements.
Recommendation:Based on the analysis above, the Nordyne Therm-o-Disc 23902 limit switch is recommended for homeowners looking for a reliable, cost-effective, and easy-to-install solution for their heating system. However, those who prioritize advanced features like precise temperature control and automatic reset capabilities may want to consider digital limit switch options. Always consult a professional HVAC technician for specific installation and replacement recommendations.
Details:
The nordyne contrl f l asm 23902 furnace limit switch is an analog/mechanical control for central furnaces. With its specific model and brand, Therm-o-Disc, this limit switch is a reliable component for maintaining improving the functionality of your central heating system. This corded electric switch is designed for use with furnace heating systems, made of metal material in a black color.
specifications centrafurn:
- brand: Therm-o-disc
- mpn: 23902
- type: Central Furnace
- control style: Analog/mechanical
- power source: Corded Electric
- heating system: Furnace
- color: Black
- material: Metal
seller centrafurn:
- rating: 100.0%
- # reviews: 8
- city: kokomo, indiana
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
payments centrafurn:
- wallet: google-pay
- other
- credit card: Discover
returns centrafurn:
- policy: no returns
offer centrafurn:
- best offers: true
- availability: in stock
- price: $25.00
- item condition: New
- sold #: 7
- started: february 18, 2026
- options: ship-to-home
- in stock #: 1
shipping centrafurn:
- carrier: usps
- service: usps ground advantage
- type: calculated
- transit: 3-8 days
- class: standard
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