Description
The Soler & Palau TD-400 is a high-performance inline duct ventilator from S&P’s trusted TD series, engineered to deliver reliable, efficient airflow in a wide range of commercial and residential HVAC ventilation applications. Designed for in-line duct installation, this unit fits seamlessly into existing ductwork to boost air circulation, exhaust stale air, and support fresh-air supply systems.
Product Overview
Soler & Palau (S&P) is a globally recognized leader in ventilation technology, and the TD series represents their commitment to energy-efficient, low-noise performance. The TD-400 is built for demanding environments where consistent airflow and long-term durability are essential.
Key Features
- Inline duct fan design for straightforward integration into round ductwork
- Compact, space-saving housing suitable for concealed installations
- Thermally protected motor for safe, continuous-duty operation
- Low-noise operation ideal for occupied spaces such as offices, schools, and residences
- Durable construction for long service life in commercial and residential applications
- Easy installation with standard duct connections
- Suitable for supply, exhaust, and recirculation ventilation configurations
Typical Applications
- Commercial HVAC ventilation systems
- Residential whole-house ventilation and exhaust
- Bathroom, kitchen, and utility exhaust boosting
- Grow room and indoor air quality ventilation
- Supplemental airflow in long duct runs
Why Choose the Soler & Palau TD Series?
S&P’s TD series fans are engineered with precision-balanced impellers and thermally protected motors, ensuring quiet, dependable performance over years of continuous use. Their inline design minimizes installation complexity while maximizing airflow efficiency — making the TD-400 a go-to solution for HVAC professionals who demand reliability on every job.







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