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Tjernlund DBT Automatic Activation Control for Dryer Duct Booster Exhaust Fans, Adjustable Pressure Switch

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Product details

Management number 213630255 Release Date 2026/04/12 List Price $38.36 Model Number 213630255
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  • Automatic Activation: The DBT control ensures automatic activation of your dryer booster fan, turning the fan on and off in sync with your dryer’s cycle. It includes a post-purge setting that keeps the fan running for a few minutes after the dryer finishes. This feature ensures that any remaining lint is fully vented from the system, preparing the duct for the next load. With the DBT control, you can trust that your fan will always operate efficiently, with no need for manual intervention.
  • Works with Any Brand Fan: The Tjernlund DBT isn’t limited to Tjernlund-branded fans—it’s designed to work with any dryer booster fan, making it a versatile option for both new installations and retrofits. It can even serve as a replacement for existing controls. Its universal compatibility makes it a great choice for homeowners looking to enhance the performance of their current system without needing to replace the entire fan unit.
  • Easy Install or Retrofit: Installing the DBT is simple and hassle-free. The package includes tubing, a mounting bracket, and all necessary hardware, allowing for an easy installation or retrofit into your existing system. Whether you’re a professional installer or a DIY homeowner, the DBT control is designed for straightforward integration, ensuring a smooth upgrade to your dryer booster fan setup.
  • Proven Performance: The DBT control features a pressure switch that checks every 10 minutes for appropriate pressure levels within your dryer duct system. If needed, it automatically reactivates the fan to ensure continuous, smooth airflow throughout the duct run. This proven performance ensures your system is consistently operating at peak efficiency, reducing the risk of lint buildup and ensuring that your dryer exhaust system is functioning optimally.
  • Post-Purge Setting: One of the DBT’s key features is its post-purge setting. Once the system detects that no pressure is present, the control activates the fan for a final purge cycle. This ensures that any residual lint is fully vented from the duct system, leaving it clean and prepared for the next dryer cycle. This feature provides an added layer of safety and efficiency, ensuring your dryer booster system is always operating in top condition.

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