Description
The Tjernlund Products D-3 is a 115-volt, 1550 RPM inline draft inducer engineered to establish and maintain consistent negative pressure in flue venting systems. Designed for use with gas- and oil-fired appliances, this inline blower draws combustion gases through the vent pipe, ensuring proper draft even in challenging installations where natural draft is insufficient.
Key Features
- 115V operating voltage for compatibility with standard residential and light commercial electrical systems
- 1550 RPM motor speed delivers steady, reliable airflow through the vent system
- Inline installation design fits directly into the flue pipe for straightforward integration
- Promotes complete combustion by maintaining consistent negative draft pressure
- Helps prevent backdrafting and spillage of combustion gases into living spaces
- Suitable for use with gas- and oil-fired furnaces, boilers, and water heaters
- Durable construction built to withstand continuous duty operation in demanding HVAC environments
Applications
- Residential and light commercial gas-fired furnaces
- Oil-fired boilers and water heaters
- Installations with long or restrictive vent runs where natural draft is inadequate
- Retrofit applications requiring improved venting performance
Why Choose the Tjernlund D-3?
Tjernlund Products has been a trusted name in draft induction and ventilation for decades. The D-3 inline draft inducer is a proven solution for technicians who need dependable venting performance without complex installation. Its inline design minimizes installation time while maximizing draft consistency, making it a go-to choice for HVAC professionals tackling both new installations and service calls.







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