Description
The Tjernlund HS2 Power Venter with UC1 Universal Control is a forced draft venting solution engineered to provide dependable, code-compliant exhaust for gas-fired heating appliances. Designed for use with furnaces, boilers, water heaters, and other Category I appliances, the HS2 eliminates reliance on natural draft by mechanically drawing flue gases through the venting system — ensuring consistent combustion performance regardless of stack conditions or building pressurization.
The included UC1 Universal Control adds intelligent sequencing to the system, coordinating the power venter’s operation with the connected appliance. The UC1 monitors venter airflow via a pressure switch circuit and provides a proven-on signal before allowing the appliance burner to fire, preventing unsafe operation in the event of a venter failure.
Key Features
- Forced draft power venter designed for gas-fired appliances including furnaces, boilers, and water heaters
- Includes UC1 Universal Control for integrated appliance sequencing and safety interlock
- Eliminates dependence on natural draft for reliable year-round venting performance
- UC1 control provides proven-on airflow verification before burner ignition
- Suitable for use with Category I appliances vented through existing B-vent or masonry chimney systems
- Helps prevent backdrafting and improves combustion efficiency
- Compact blower housing for straightforward installation in tight mechanical spaces
Applications
- Residential and light commercial gas furnaces
- Gas-fired boilers and water heaters
- Appliances experiencing venting or backdraft issues
- Retrofit installations where natural draft venting is inadequate
Why Choose Tjernlund
Tjernlund Products is a trusted name in power venting and combustion air solutions, with decades of experience engineering products that meet the demands of HVAC professionals. The HS2 with UC1 control reflects that heritage — combining robust construction with smart control logic to deliver a safe, efficient venting system that installers can rely on.







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