
C645C1020 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $43.00 | Condition is New – Open box, Ashcroft, Dwyer, Honeywell Pressure Switches, FREE SHIPPING | 99.7% |
![]() | $49.99 | Top Pick! Condition is New – Open box, HONEYWELL C645C1020 AIR PRESSURE SWITCH, 0.6-5.3"-RANGE, NEW-OPEN BOX!, shipping cost = $23.31 | 100.0% |
![]() | $89.99 | Condition is New – Open box, NEW HONEYWELL C645C 1020 AIR PRESSURE SWITCH C645C1020, FREE SHIPPING | 99.8% |
![]() | $89.99 | Condition is New – Open box, Honeywell C645C 1020 Air Pressure Switch, shipping cost = $4.00 | 100.0% |
![]() | $89.00 | Condition is New – Open box, Honeywell C645C 1020 Air Pressure Switch New, shipping cost = $11.50 | 100.0% |
![]() | $89.99 | Condition is New – Open box, Honeywell Air/Gas Pressure Switch , C645C 1020 2 Nos Surplus No Box, shipping cost = $31.74 | 99.8% |
![]() | $130.00 | Top Pick! Condition is New – Open box, NEW HONEYWELL C645C 1020 PRESSURE SWITCH C645C1020, shipping cost = $19.02 | ![]() |
![]() | $150.00 | Top Pick! Condition is New – Open box, HONEYWELL C645C 1020 Air Pressure Switch 0.6 to 5.3 " W.C., shipping cost = $30.00 | 99.3% |
![]() | $149.99 | Condition is New – Open box, Nos Surplus HONEYWELL C645C 1020 NEW AIR/GAS PRESSURE SWITCH C645C1020, shipping cost = $32.62 | 99.8% |
![]() | $182.44 | Condition is New – Open box, HONEYWELL - C645C1020 - SWITCH, PRESSURE, AIR ONLY, NPT MOUNT 0.4-5" W.C, AUTO R, shipping cost = $20.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $169.99 | Top Pick! Condition is New, NEW HONEYWELL C645C 1020 AIR PRESSURE SWITCH C645C1020, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $42.99 | Condition is Open box, Honeywell C645C 1020 Air Pressure Switch, 0.6-5.3" W.C., FREE SHIPPING | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $26.99 | Condition is Used, HONEYWELL C645C 1020 PRESSURE SWITCH (LPW49U), FREE SHIPPING | 99.8% |
![]() | $33.50 | Condition is Used, Honeywell C645C 1020 Air Pressure Switch, shipping cost = $19.02 | 100.0% |
![]() | $29.00 | Condition is Used, HONEYWELL C645C1020 UNMP, shipping cost = $25.44 | 99.9% |
![]() | $34.99 | Top Pick! Condition is Used, HONEYWELL C645C 1020 PRESSURE SWITCH 203645, shipping cost = $20.95 | 99.9% |
![]() | $48.00 | Condition is Used, HONEYWELL C645C 1020 2 0.6-5.3IN H2O Range AIR Pressure Switch D288711, shipping cost = $9.06 | 100.0% |
![]() | $49.00 | Condition is Used, Honeywell Air/Gas Pressure Switch , C645C 1020 2, shipping cost = $28.40 | ![]() |
![]() | $267.81 | Condition is Used, HONEYWELL C645C1020 / C645C1020 (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $312.24 | Condition is , HONEYWELL C645C1020, Pressure Switch, 3-wire line Voltage, shipping cost = $10.94 | 100.0% |

The Honeywell C645C1020 is a versatile and feature-rich Wi-Fi thermostat designed to provide optimal comfort and energy savings for your home. This sleek and modern thermostat boasts a crisp, high-resolution touchscreen display, measuring 4.3 inches diagonally, which makes it easy to read and navigate.
This Wi-Fi enabled thermostat allows you to remotely control the temperature in your home using the Total Connect Comfort app on your smartphone or tablet. You can also set up weekly schedules, so your home is always the perfect temperature when you want it to be. The C645C1020 also learns your temperature preferences and adapts to your schedule over time, ensuring a consistent and comfortable living environment.
One of the key features of the Honeywell C645C1020 is its ability to connect and communicate with other smart devices in your home. This includes compatibility with Amazon Alexa, Apple HomeKit, and Google Home, allowing you to control the temperature using voice commands. The thermostat can also be integrated with IFTTT (If This Then That) for even more customization and automation.
The C645C1020 is a 7-day programmable thermostat, meaning you can set different temperatures for each day of the week. It also features an Energy History report, which allows you to view your heating and cooling history and identify trends, helping you make informed decisions to save energy and reduce your utility bills.
Additionally, the Honeywell C645C1020 has built-in alerts for filter replacement and extreme temperature warnings, ensuring that you are always aware of the status of your heating and cooling system. The thermostat also supports multiple heating and cooling systems, making it a great choice for homes with complex HVAC setups.
The C645C1020 is designed with a modern, minimalist aesthetic, featuring a circular touchscreen display with a white background and large, intuitive icons. It comes with a power extender kit, which allows you to install the thermostat in locations with limited power sources. The thermostat is also easy to install, with a step-by-step guide and a range of mounting options to suit different wall types.
In summary, the Honeywell C645C1020 is a feature-rich and versatile Wi-Fi thermostat that offers optimal comfort, energy savings, and compatibility with a range of smart devices. Its modern design, intuitive touchscreen interface, and advanced features make it a great choice for homeowners looking to upgrade their heating and cooling system.
Honeywell C645C1020 Box: An In-depth Analysis of Its Pros and Cons
The Honeywell C645C1020 box is a popular choice for those seeking an all-in-one thermostat and humidifier solution. This analysis aims to provide a clear understanding of the pros and cons of investing in this device.
Pros:1. Energy Efficiency: The Honeywell C645C1020 box is known for its energy efficiency, as it automatically adjusts temperature settings based on the room's occupancy and desired temperature.
2. Humidification: This device comes with a built-in humidifier, which can help maintain the desired humidity levels in your home, promoting a more comfortable living environment.
3. Smart Features: The Honeywell C645C1020 box offers smart features such as voice control through Amazon Alexa and Wi-Fi connectivity, allowing users to control the device remotely using the Honeywell Home app.
4. Easy Installation: The installation process for the Honeywell C645C1020 box is generally straightforward and can be completed without the need for professional assistance in most cases.
5. Sleek Design: The device boasts a modern and sleek design that is both visually appealing and compact, making it a great addition to any home decor.
Cons:1. Limited Compatibility: The Honeywell C645C1020 box is not compatible with all HVAC systems, so it's essential to check compatibility before making a purchase.
2. Complex Setup: While the installation process is generally straightforward, the setup process for the smart features, such as Wi-Fi connectivity and voice control, can be complex and time-consuming for some users.
3. Occasional Inaccuracies: Some users have reported occasional inaccuracies in temperature readings and humidity levels, which may require manual adjustments.
4. Potential Noise: The built-in fan for the humidifier can produce some noise, which may be a concern for light sleepers or those who value silence in their living spaces.
Conclusion:The Honeywell C645C1020 box offers a range of benefits, including energy efficiency, humidification, smart features, easy installation, and a sleek design. However, it also comes with some drawbacks, such as limited compatibility, complex setup, occasional inaccuracies, and potential noise. Ultimately, the decision to purchase this device depends on your specific needs, budget, and compatibility with the Honeywell C645C1020 box. If the pros outweigh the cons for your situation, then this device could be an excellent investment for enhancing your home comfort experience.
Recommendation:If you're in the market for an all-in-one thermostat and humidifier solution with energy efficiency, smart features, and a sleek design, the Honeywell C645C1020 box is worth considering. However, ensure your HVAC system is compatible and be prepared for a potentially complex setup process. If you prioritize silence or are unsure about the device's compatibility, you may want to explore alternative options.
Details:
All products are guaranteed to be working but may show signs of use. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Honeywell C645C1020 / new in box discontinued by manufacturer, pressure switch, 3-wire line voltage , PDT micro switch snap-acting, air control, 0.6-5.3. The product is used surplus.
Call to use a shipping service other than the ones listed. Part number C645C1020.
specifications indusswitch:
- brand: Honeywell
- mpn: C645c1020
- part type: Box
seller indusswitch:
- # reviews: 189975
- city: 1 millennium dr, willingboro, nj 08046
- rating: 99.5%
payments indusswitch:
- wallet: google-pay
- credit card: visa
- other
returns indusswitch:
- method: money back
- policy: returns accepted
- paid by: buyer
- time: 30 days
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pressure Switches
shipping indusswitch:
- service: standard
- class: standard
- type: fixed
- transit: 4-6 days
offer indusswitch:
- started: february 13, 2026
- sold #: 11
- prices: $29.00–$312.24
- item condition:
- New – Open box
- New
- Open box
- Used
- availability: in stock
- in stock #: 5
- options: ship-to-home
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