
687152153121 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $10.99 | Condition is New, Supco SLS140 Auto Reset Rollout Thermostat Limit Switch, Out 140 In 100, L39-160, FREE SHIPPING | 100.0% |
![]() | $16.00 | Condition is New, Supco SLS140 AUTO LIMIT 140-40 1/2", FREE SHIPPING | 100.0% |
![]() | $21.74 | Top Pick! Condition is New, Supco SLS140 - 1/2 in. Bimetal Auto Reset Temperature Control, FREE SHIPPING | ![]() |
![]() | $26.70 | Condition is New, Supco SLS140 Thermostat Automatic Reset Rollout Switch, 140 Degree F Cut Out Tem, FREE SHIPPING | 98.6% |
![]() | $20.64 | Condition is New, 1Pc Supco SLS140 Automatic Rollout Reset Switch, shipping cost = $8.97 | 99.4% |
![]() | $47.07 | Condition is New, SLS140 LIMIT CONTROL DISKSTYLE SUPCO CUTOUT TEMP140DEG F CUT-IN TEMP 140DEG F..., FREE SHIPPING | 93.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.99 | Condition is New – Open box, SUPCO SLS 140 - Automatic Rollout 140f-100, shipping cost = $4.00 | 98.9% |

The SUPCO 687152153121 Furnace Thermostat is an automatic model designed for use with 1/4 terminals and the Sensi Slimline Wireless Thermostat, model number SLS140. This thermostat is a crucial component of your HVAC system, ensuring optimal temperature control in your home.
The thermostat's sleek design is not only functional but also aesthetically pleasing. Its compact size allows it to blend seamlessly into any decor, making it an excellent choice for homeowners looking for a discreet solution. The thermostat's white finish also adds to its unobtrusive appearance, ensuring it doesn't stand out unnecessarily.
This thermostat is designed for easy installation. It features automatic detection of common and rh wires, making setup a breeze. Its compatibility with the Sensi Slimline Wireless Thermostat allows for wireless communication between the thermostat and your HVAC system. This means you can control the temperature in your home from anywhere using your smartphone or tablet.
The thermostat's advanced features include a large, easy-to-read display, adjustable temperature settings, and a range of comfort options. You can set up to six separate temperature settings for different times of the day, ensuring your home is always at the perfect temperature. The thermostat also features a hold button, allowing you to override the temperature settings for up to four hours.
The SUPCO 687152153121 Furnace Thermostat is designed for durability and long-lasting performance. It features a high-quality, heavy-duty construction, ensuring it can withstand the rigors of daily use. The thermostat is also backed by a one-year limited warranty, giving you peace of mind knowing that any manufacturing defects will be covered.
In summary, the SUPCO 687152153121 Furnace Thermostat is a high-quality, easy-to-install component of your HVAC system. Its sleek design, advanced features, and durable construction make it an excellent choice for homeowners looking for a reliable and efficient solution for temperature control. With its compatibility with the Sensi Slimline Wireless Thermostat, you'll have the convenience of wireless communication and remote temperature control at your fingertips.
The SUPCO SLS140 1/4 Terminal Furnace Thermostat is a popular choice for homeowners looking to replace their old thermostats. Here are some pros and cons of buying this particular model:
Pros:1. Easy to Install: This thermostat is designed for easy DIY installation. It comes with clear instructions and requires no specialized tools or electrical knowledge.
2. Simple Design: The SLS140 has a straightforward design, making it easy to use for people of all ages. It also has a large, easy-to-read display.
3. Affordable: This thermostat is priced competitively compared to other models in its class.
4. Energy Efficient: This thermostat can help you save energy and reduce your heating bills by maintaining a consistent temperature in your home.
5. Reliable: SUPCO is a well-known brand with a reputation for producing reliable and durable products.
Cons:1. Limited Features: Compared to more advanced thermostats, the SLS140 has limited features. For example, it does not have Wi-Fi capability or the ability to connect to smart home systems.
2. Manual Settings: This thermostat requires manual settings for temperature adjustments and scheduling.
3. No Temperature Sensors: The SLS140 does not have temperature sensors, so it relies solely on the room temperature readings from the thermostat itself.
Ending Conclusion:The SUPCO SLS140 1/4 Terminal Furnace Thermostat is a good choice for homeowners who are looking for a simple, affordable, and easy-to-install thermostat. While it may not have all the features of more advanced models, it is reliable and can help you save energy and reduce your heating bills.
Recommendation:If you are looking for a basic thermostat that is easy to install and use, and you are not concerned with advanced features such as Wi-Fi capability or temperature sensors, then the SUPCO SLS140 1/4 Terminal Furnace Thermostat is a good option for you. However, if you want more advanced features or the ability to control your thermostat remotely, you may want to consider a more advanced model.
Details:
Reconnect wires securely, restore power, and test system operation. Remove mounting hardware and disconnect wire terminals. 140 f cut-out / 100 cut-in temperature range. Installation tips:: disconnect power before servicing your furnace or hvac unit.
Furnace thermostat SLS140 auto reset 140 f cut-out / 100 cut-in: maintain safe and efficient heating system operation with this brand-new auto reset furnace thermostat. Brand new unused and ready to install. 1/4 quick-connect terminals for easy installation.: : auto reset functionality for continuous thermal cycling.
Designed to cut out at 140 f and reset 100 f, this compact 1/2 bimodal disc switch features 1/4 terminals belongs the trusted sls series offering proven reliability, versatile fitment, cost-effective performance for residential light commercial hvac systems. Locate the thermostat near heat source or plenum.
specifications centrafurn:
- brand: Supco
- mpn: Sls140
- type: Thermostat Auto Reset
- material: Metal
- color: Black
- country of origin: China
- item width: 7.000
- item height: 2.000
- upc: 687152153121
offer centrafurn:
- prices: $10.99–$47.07
- item condition:
- New
- New – Open box
- started: april 24, 2026
- options: ship-to-home
- in stock #: 5
- availability: in stock
- sold #: 12
shipping centrafurn:
- carrier: usps, ups
- class: standard, expedited
- transit: 5-8 days
- service: usps ground advantage, ups ground, ups 2nd day air, usps priority mail
- type: calculated
payments centrafurn:
- wallet: apple-pay
- credit card: discover
- other
returns centrafurn:
- paid by: seller
- policy: returns accepted
- method: money back
- time: 30 days
seller centrafurn:
- rating: 99.6%
- # reviews: 333564
- city: baldwinsville, new york
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
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