
17W11 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $37.45 | Condition is New, OEM Lennox Armstrong Ducane Defrost Sensor Replaces 17W11 17W1101, FREE SHIPPING | ![]() |
![]() | $37.45 | Condition is New, OEM Lennox Armstrong Ducane H Pump Defrost Sensor Replaces 100503-04, FREE SHIPPING | ![]() |
![]() | $31.95 | Top Pick! Condition is New, 17W11 Lennox L60-31F Defrost Thermostat OEM 17W11, shipping cost = $7.96 | 99.6% |
![]() | $41.46 | Condition is New, Lennox 17W11 L60-31F Defrost Thermostat, FREE SHIPPING | 99.7% |
![]() | $45.54 | Condition is New, LENNOX 17W11 - OEM Replacement Heat Pump Defrost Sensor, FREE SHIPPING | 98.6% |
![]() | $64.58 | Top Pick! Condition is New, LENNOX 17W11 Defrost Thermostat, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $15.00 | Condition is Very Good, Lennox 17W11 Defrost Switch USED, FREE SHIPPING | 98.5% |
![]() | $29.99 | Condition is Very Good, Lennox 100503-04 Defrost Sensor 72L27 USED **TESTED**, FREE SHIPPING | 98.5% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $80.00 | Condition is Open box, R100503-04 Lennox Thermostat Sensor, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $43.04 | Condition is Unspecified, LENNOX 17W11 - OEM Replacement Heat Pump Defrost Sensor, FREE SHIPPING | 97.8% |


The Lennox 17W11 Defrost Thermostat is a crucial component in maintaining the optimal performance of your heating and cooling system, specifically from brands like Lennox, Ducane, and Armstrong. This thermostat model, identified by the part number 17W11/100503-04, is designed to regulate the defrost cycle in heat pumps, ensuring efficient and effective operation during winter months.
The Lennox 17W11 Defrost Thermostat is a digital component, offering easy-to-read and understand settings. It features a user-friendly interface with clear indicators, making it simple for homeowners to adjust temperature settings according to their preferences. The thermostat is also equipped with advanced defrost control, which automatically manages the defrost cycle to prevent ice buildup on the outdoor heat pump unit. This not only ensures optimal operation but also extends the lifespan of your heating and cooling system.
The Lennox 17W11 Defrost Thermostat is compatible with a wide range of Lennox, Ducane, and Armstrong heat pumps, making it a versatile and reliable choice for homeowners. It is designed to fit easily into your existing system, ensuring a seamless installation process. The thermostat is also built to withstand harsh weather conditions, ensuring long-lasting performance even in the most challenging environments.
In summary, the Lennox 17W11 Defrost Thermostat is a high-quality, user-friendly, and reliable component that plays a crucial role in maintaining the optimal performance of your heating and cooling system. Its advanced defrost control and compatibility with various brands make it a versatile and valuable addition to your home's HVAC system.
Pros of buying a Lennox 17W11 defrost thermostat:1. Reliability: Lennox, Ducane, and Armstrong are all well-known brands with a reputation for producing high-quality HVAC products.
2. Compatibility: This thermostat is specifically designed for use with Lennox, Ducane, and Armstrong heat pumps and air conditioners with the 17W11 control board.
3. Easy installation: The 17W11 thermostat is easy to install and replace, making it a convenient option for homeowners who want to upgrade their thermostat without hiring a professional.
4. Adjustable settings: The thermostat offers adjustable settings for temperature, fan speed, and humidity control, allowing homeowners to customize their comfort preferences.
5. Energy-saving features: The thermostat has energy-saving features such as programmable schedules and smart thermostat compatibility, which can help reduce energy consumption and lower utility bills.
Cons of buying a Lennox 17W11 defrost thermostat:1. Limited functionality: Compared to smart thermostats, the 17W11 thermostat has limited functionality. It does not offer Wi-Fi connectivity, voice control, or remote access, which may be important features for some homeowners.
2. Limited compatibility: While the 17W11 thermostat is compatible with Lennox, Ducane, and Armstrong heat pumps and air conditioners with the 17W11 control board, it may not be compatible with other brands or models.
3. Limited warranty: The thermostat comes with a limited 1-year warranty, which may not provide enough coverage for some homeowners who are looking for longer-term protection.
Conclusion: The Lennox 17W11 defrost thermostat is a reliable and easy-to-install option for homeowners with Lennox, Ducane, or Armstrong heat pumps and air conditioners with the 17W11 control board. While it has some limitations in terms of functionality and compatibility, its energy-saving features and adjustable settings make it a worthwhile investment for many homeowners.
Recommendation: If you are looking for a reliable and easy-to-install thermostat for your Lennox, Ducane, or Armstrong heat pump or air conditioner with the 17W11 control board, the Lennox 17W11 defrost thermostat is a good choice. However, if you are looking for a thermostat with more advanced features such as Wi-Fi connectivity or voice control, you may want to consider a smart thermostat instead.
Details:
Lennox / armstrong ducane magic Park defrost thermostat 30 -15 f 17W11 100503-04.
specifications maxohvac:
- brand: Lennox
- mpn: 17w11
- model: 100503-04
- part type: Thermostat
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- rating: 98.9%
- city: rosedale, maryland
- # reviews: 26292
payments maxohvac:
- credit card: discover
- wallet: apple-pay
returns maxohvac:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: buyer
shipping maxohvac:
- transit: 3-7 days
- type: fixed
- class: standard
- service: usps ground advantage
- carrier: usps
offer maxohvac:
- availability: in stock
- prices: $15.00–$80.00
- item condition:
- New
- Very Good
- Open box
- Unspecified
- started: march 19, 2024
- in stock #: 5
- sold #: 31
- options: ship-to-home
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