
SWT01277 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $23.74 | Condition is New, Furnace 3" Limit Switch Fits Trane Am Standard L150 SWT01277 SWT1277 C340056P15, FREE SHIPPING | ![]() |
![]() | $26.74 | Condition is New, Furnace 3" Limit Switch Fits Trane Am Standard L150 SWT01276 SWT1276 C340056P14, FREE SHIPPING | ![]() |
![]() | $29.95 | Condition is New, ClimaTek 3" Furnace Limit Switch Fits Trane American Standard SWT01277 SWT1277, FREE SHIPPING | ![]() |
![]() | $42.99 | Condition is New, Trane American Standard OEM Thermal Limit Switch SWT01277 SWT1277, FREE SHIPPING | 99.9% |
![]() | $54.12 | Top Pick! Condition is New, Trane SWT04557 1/2" Limit Switch L150-30F NPT, FREE SHIPPING | ![]() |
![]() | $54.95 | Condition is New, ClimaTek 3" Furnace Limit Switch L150 Fits Trane American Standard C340056P18, FREE SHIPPING | ![]() |
![]() | $49.61 | Condition is New, SWT01277 Trane Limit Switch, shipping cost = $6.07 | 100.0% |
![]() | $59.00 | Top Pick! Condition is New, Trane SWT01277 Limit Switch 1/2" NPT 145 F Open 115 F Close, FREE SHIPPING | ![]() |
![]() | $50.00 | Condition is New, trane limit switch SWT01277, shipping cost = $13.63 | 100.0% |
![]() | $54.95 | Condition is New, SWT3411 Trane Limit Switch L150F-30F OEM SWT3411, shipping cost = $9.95 | 99.6% |
![]() | $64.78 | Top Pick! Condition is New, Trane SWT3411 Limit Switch L150F-30F, FREE SHIPPING | ![]() |
![]() | $64.85 | Condition is New, Trane SWT3411 Limit Switch L150F-30F, FREE SHIPPING | 99.4% |
![]() | $65.67 | Condition is New, Trane SWT3411 Limit Switch L150F-30F, FREE SHIPPING | 98.6% |
![]() | $70.89 | Top Pick! Condition is New, Trane SWT3985 L150-30F Limit Switch, FREE SHIPPING | ![]() |
![]() | $73.45 | Condition is New, OEM Trane American Standard 3" Furnace Limit Switch Replaces C340056P15 SWT01277, FREE SHIPPING | ![]() |
![]() | $97.60 | Condition is New, TRANE 294242 SWITCH;THERMAL LIMIT, OPEN AT 145, CLOSE AT 115 DE, FREE SHIPPING | 98.6% |
![]() | $95.00 | Condition is New, Trane 313803 Limit Switch T-O-D 60TX01 1129 L150-30F NEW TAKE OFF, shipping cost = $18.00 | 98.5% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.00 | Condition is New – Open box, 1NT23L-9004 Limit Switch L150F-30 189500990003 - OEM TRANE Precedent RTU NEW, FREE SHIPPING | 99.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $55.67 | Condition is Used, Trane 36T01B7-44679 Furnace Limit Switch L150-30F 27K1401, FREE SHIPPING | ![]() |
![]() | $105.69 | Condition is Used, OEM TRANE SWT04424 SWITCH; THERMAL D345716P04 Opens at 150, Closes 120. L150-30F, shipping cost = $38.34 | 100.0% |

The Trane American Standard SWT01277 Furnace Limit Switch is a crucial component in maintaining the optimal performance and safety of your heating system. This limit switch is specifically designed for use with the Trane American Standard SWT1277 gas furnace model and carries the part number C340056P15.
This limit switch is responsible for monitoring the furnace's temperature and preventing potential hazards. It is engineered to ensure that the furnace does not overheat, thus prolonging its lifespan and enhancing energy efficiency. The switch is designed to activate when the furnace temperature rises above a predetermined level, shutting off the furnace to prevent damage.
The SWT01277 Furnace Limit Switch is an L150 model, which indicates its voltage rating of 120 volts. This switch features a reliable and robust construction, ensuring that it can withstand the rigors of continuous use in a heating application. Its design is simple yet effective, with a clear and easy-to-understand label indicating its function.
The switch is designed to be easy to install, making it a convenient solution for homeowners or HVAC professionals who need to replace a faulty or worn-out limit switch. It comes with all necessary mounting hardware, making the installation process straightforward and hassle-free.
Overall, the Trane American Standard SWT01277 Furnace Limit Switch is an essential component for ensuring the safe and efficient operation of your heating system. Its robust construction, easy installation, and reliable temperature monitoring capabilities make it an excellent choice for those seeking a high-quality limit switch for their Trane American Standard SWT1277 gas furnace.
Trane American Standard SWT01277 Furnace Limit Switch: A Comprehensive Analysis
The Trane American Standard SWT01277 furnace limit switch is a crucial component in maintaining the safe and efficient operation of your heating system. This part is essential for regulating the temperature and preventing potential hazards such as overheating. In this analysis, we will examine the pros and cons of purchasing this limit switch.
Pros:1. Durability: Trane is known for manufacturing high-quality heating components, including this limit switch. The SWT01277 is designed to last, ensuring that your furnace operates optimally for an extended period.
2. Compatibility: This limit switch is specifically designed for Trane American Standard furnaces, ensuring a perfect fit and seamless integration into your heating system.
3. Safety: By regulating the furnace temperature, the limit switch helps protect your home from potential fires and other safety hazards.
4. Easy Installation: The SWT01277 limit switch is relatively easy to install, making it a cost-effective solution for homeowners who prefer DIY projects.
Cons:1. Cost: Compared to some aftermarket limit switches, the Trane SWT01277 can be more expensive. However, considering the brand's reputation for quality and durability, this cost may be justified for some homeowners.
2. Availability: Depending on your location and the availability of parts from your local HVAC supplier, you may experience some delay in obtaining this limit switch.
3. Limited Functionality: Unlike some advanced limit switches, the Trane SWT01277 offers only basic temperature regulation. For homeowners seeking more advanced features, this may not be the best option.
Conclusion:The Trane American Standard SWT01277 furnace limit switch is a reliable and durable solution for ensuring the safe and efficient operation of your heating system. Its compatibility with Trane furnaces and ease of installation make it an attractive choice for homeowners. However, its cost and limited functionality may be drawbacks for some. Ultimately, the decision to purchase this limit switch depends on your specific needs, budget, and preference for brand-name components.
Recommendation:If you own a Trane American Standard furnace and are in need of a replacement limit switch, the Trane SWT01277 is an excellent choice due to its durability, compatibility, and safety features. However, if you're looking for a more cost-effective or feature-rich alternative, consider researching other brands and models before making your purchase.
Details:
The product is a 3 limit switch designed to fit Trane American Standard furnaces, specifically the L150 and SWT01277 model's. It is a replacement component for central heating and cooling systems, ideal maintaining improving the functionality of your homes furnace. The limit switch ensures that the furnace shuts off when it has reached a certain operating limit, providing safe and efficient heating experience for your household.
specifications centrafurn:
- brand: Fits Trane American Standard
- mpn: Swt01277
- model: L150 Swt01277 Swt1277 C340056p15
- type: Central Furnace
- control style: Switch
- heating system: Furnace
- operating sound rating: Standard
offer centrafurn:
- options: ship-to-home
- best offers: true
- started: november 15, 2025
- in stock #: 5
- sold #: 13
- prices: $23.74–$105.69
- item condition:
- New
- New – Open box
- Used
- availability: in stock
payments centrafurn:
- credit card: mastercard
- wallet: google-pay
- other
shipping centrafurn:
- transit: 4-9 days
- carrier: usps
- service: usps ground advantage
- class: Standard
- type: fixed
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
seller centrafurn:
- # reviews: 708
- city: farwell, minnesota
- rating: 100.0%
returns centrafurn:
- policy: no returns
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