System Sensor D4120 InnovairFlex Smoke Detector, Air Duct Protection
System Sensor D4120 InnovairFlex Smoke Detector, Air Duct Protection
System Sensor D4120
- Free Shipping
- 1 Year Warranty
- 30 Day Returns
- Carbon Neutral
Product Key Features
- 4-wire smoke detector for air duct protection
- UL Listed for safety and compliance
- LED, switch, and alarm status indicators for easy monitoring
- Photoelectric sensing technology for reliable smoke detection
- Duct mount form factor for easy installation
FREE Returns from CANADA
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Shipping information
System Sensor
D4120
The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular duct work. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of -4°F to 158°F, and a humidity range of 0 to 95 percent (non-condensing). A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance. An improved cover design isolates the sensor head from the low-flow feature for simple maintenance.
Return Policy |
Time to Return |
Standard Return Policy |
We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details. |
Replacement Only Return Policy |
Replacement within 30 days of the delivery date. |
Manufacturer Only Return Policy |
Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer. |
Holiday Extended Return Policies |
Extended Holiday Return Policy.Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024. Extended Holiday Replacement-Only Return PolicyQualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024. |