
AML21BBA2AA Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $22.98 | Condition is New, Honeywell Microswitch - AML21BBA2AA - Switch, Pushbutton, AML 21 Series. 125VAC, FREE SHIPPING | 100.0% |
![]() | $45.00 | Condition is New, HONEYWELL AML21BBA2AA / AML21BBA2AA (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $53.43 | Condition is New, 1PC HONEYWELL MICROSWITCH AML21BBA2AA Pushbutton Switch, SPST, 2 Amps, 250, shipping cost = $8.99 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.00 | Condition is Used, HONEYWELL AML21BBA2AA / AML21BBA2AA (USED), shipping cost = $12.90 | 99.7% |
![]() | $17.32 | Top Pick! Condition is Used, HONEYWELL AML21BBA2AA / AML21BBA2AA (USED), shipping cost = $36.36 | 99.3% |
![]() | $199.99 | Condition is Used, Lot of 9 HONEYWELL AML21BBA2AA SWITCH PUSHBUTTON SPDT 3A 125V X131403, FREE SHIPPING | 100.0% |

The Honeywell AML21BBA2001 Wireless Alarm Module is a versatile and reliable addition to any Honeywell home security system. This module is specifically designed to detect smoke and heat, making it an essential component in ensuring the safety and security of your home or business.
The AML21BBA2001 is a battery-operated wireless module, allowing for easy installation and flexibility in placement throughout your property. It can be placed up to 30 feet away from the main control panel and features a low battery warning that alerts you when it's time to replace the batteries.
This smoke and heat detector uses advanced sensing technology to quickly and accurately detect fires or excessive heat. The photoelectric and heat sensors work together to provide comprehensive fire detection, ensuring that potential threats are identified and addressed as soon as possible.
The module also features a test button, which allows for regular testing of the sensor to ensure its proper functioning. In the event of a fire or excessive heat, the module will send a wireless signal to the control panel, triggering the alarm and alerting you and any designated emergency contacts.
The AML21BBA2001 is designed with a sleek and modern appearance, blending seamlessly into any home or business decor. Its compact size and white finish make it a discreet addition to any space, while still providing superior protection against potential fires.
This wireless alarm module is also compatible with other Honeywell home security systems, such as the Lynx Touch and Lynx 5200 series, making it a versatile and convenient choice for homeowners and businesses looking to upgrade their existing security systems.
In summary, the Honeywell AML21BBA2001 Wireless Alarm Module is a vital component in any home or business security system, providing comprehensive fire detection with its advanced sensing technology, wireless capabilities, and sleek design. With its easy installation, low battery warning, and compatibility with various Honeywell systems, this module is a must-have for anyone looking to prioritize the safety and security of their property.
Honeywell AML21BBA2001 Sensing Home Thermostat: A Comprehensive Analysis
The Honeywell Home T9 and T9R5110B1009 Wi-Fi Smart Thermostat, model number AML21BBA2001, is an advanced home thermostat offering remote access, voice control, and energy-saving capabilities. Let's weigh the pros and cons to help you make an informed decision.
Pros:1. Remote Access: Control your thermostat from anywhere using the Honeywell Home app, allowing you to maintain consistent temperatures and save energy.
2. Voice Control: Compatible with Amazon Alexa, Google Assistant, and Apple HomeKit, allowing you to adjust temperatures using simple voice commands.
3. Energy Savings: Offers energy-saving features like Smart Response Technology, which learns your preferred temperature settings and adjusts accordingly.
4. Geofencing: Uses location services to automatically adjust the temperature when you're leaving or returning home, ensuring comfort and energy efficiency.
5. Sleek Design: Modern, attractive design that easily integrates with any home decor.
6. Easy Installation: DIY installation is straightforward, usually requiring only a few simple steps.
Cons:1. Compatibility: May not work with older HVAC systems and requires a C-wire for proper operation.
2. App Interface: The app interface can be confusing for some users, and updates may introduce new bugs.
3. Connectivity Issues: Occasional connectivity issues may disrupt the ability to remotely control the thermostat.
4. Price: Higher price point compared to basic thermostats, which may be a deterrent for some budget-conscious consumers.
Conclusion:The Honeywell Home T9 Wi-Fi Smart Thermostat, model number AML21BBA2001, offers a wealth of advanced features like remote access, voice control, energy savings, and a sleek design. However, it may not be compatible with older HVAC systems and has occasional connectivity issues. Additionally, its higher price point may not suit all budgets. Ultimately, if you value the convenience and advanced capabilities of a Wi-Fi smart thermostat, the Honeywell AML21BBA2001 is a solid investment.
Recommendation:If you're looking for a Wi-Fi smart thermostat with advanced features, the Honeywell Home T9 Wi-Fi Smart Thermostat (AML21BBA2001) is a strong contender. Its ability to integrate with popular voice assistants, offer energy savings, and provide remote access make it an excellent choice for tech-savvy homeowners. However, ensure your HVAC system is compatible before making the purchase.
Details:
Sells new and surplus product develops channels to purchase such. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed. Part number AML21BBA2AA.
All products are guaranteed to be working but may show signs of use if purchasing a used product.
specifications indusswitch:
- brand: Honeywell Sensing Solutions
- mpn: Aml21bba2aa
payments indusswitch:
- other
- credit card: mastercard
- wallet: apple-pay
shipping indusswitch:
- transit: 30-35 days
- class: standard
- service: standard
- type: fixed
seller indusswitch:
- city: 1 millennium dr, willingboro, nj 08046
- rating: 99.6%
- # reviews: 1997 39
offer indusswitch:
- options: ship-to-home
- prices: $14.00–$199.99
- item condition:
- New
- Used
- availability: in stock
- started: april 17, 2026
- in stock #: 5
- sold #: 11
returns indusswitch:
- policy: returns accepted
- method: money back
- time: 30 days
- paid by: buyer
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Pushbutton Switches
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