Tjernlund Products inception dates back to 1938 when Emil Tjernlund and his son Robert started designing and manufacturing oil fired forced air furnaces. From this start their product offering evolved into gas fired furnaces and custom packaged roof top heating & cooling equipment. In the mid 1950's our Auto Draft Inducers were developed to eliminate draft problems associated with short stacks on roof top units. Other people within the heating industry soon saw the advantages of our draft inducers and wholesale distribution of the Auto Draft Inducers began in 1957.
The Radon Vac provides the first effective and affordable way to reduce radon levels in existing homes. The unique system consists of a plug-in fan, exterior hood and installer-purchased PVC pipe. Because the Radon Vac side wall system evacuates through the basement side wall, homeowners can avoid having PVC pipe run vertically through living areas or outside of their homes to the roof line. The Radon Vac fan is engineered to reduce radon across a variety of sub-slab soil types (dirt, gravel, etc.). It features a sealed, galvanized housing and a PSC permanently lubricated, quiet, low watt motor. Unlike traditional radon fans the motor is not exposed to air stream moisture.
The lowest cost radon mitigation fan on the market. Improve the performance of passive radon mitigation systems easily and inexpensively with the PVC4 Booster Fan. The PVC4 connects directly with 4” Schedule 40 PVC and comes with a 6’ power cord. Installs in 5 minutes. Add the PVC4 to your system for an instant performance boost. Improve the performance of non-fan powered Radon exhaust stacks with minimal power consumption. Connects directly to 4”, schedule 40 PVC. Permanently lubricated ball bearing motor with 6’ power cord. The corrosion-proof Radon Vac Variable Aspiration Control Hood dilutes the radon gas with fresh outdoor air as it exits the hood and safely propels it away from the structure. Airflow velocity is easily adjustable at the hood to accommodate the length of pipe run and whether the radon is being drawn from a sump pit or below the basement floor.
Often radon issues are found in finished homes making the long pipe runs of typical systems costly and impractical. Side wall venting with the Radon VAC requires only a 4” hole through the basement rim joist and a fraction of the PVC. Both fan and hood directly connect to 3” PVC-no rubber couplers needed as with other fans. Mount vertically or horizontally.
The corrosion–proof hood infuses outdoor air into the exhaust to dilute it. This mixture is further diluted as it is propelled away from your home in a jet of air. Easily adjust the discharge hood to match your system needs. Variable Aspiration Control This allows the Radon VAC to operate in sub-slab or sump pit installations and with different pipe runs while always producing a strong stream of diluted exhaust.
PSC permanently lubricated ball bearing motor is not exposed to moisture in the air stream. Uses only 50 watts. Engineered to reduce radon across a variety of sub-slab soil types (dirt, sand, gravel, etc.). Features 6’ power cord. Custom-fitted gaskets throughout the fan prevent radon gas leakage. Features heavy duty galvanized steel housing and powerful backward inclined steel impeller.
PVC4 radon mitigation fan from Tjernlund is specifically crafted to reduce the existing radon levels across a wide variety of sub-slab soil types (dirt, gravel, etc.). Vac fan is advanced with a permanently lubricated ball bearing motor. This radon fan can be conveniently linked with 4 in. schedule 40 PVC and can be installed in 5 minutes. Mitigation system fan also features a 6 ft. power cord. For a quick performance improvement, operator can add PVC4 to the system. Home improvement tool is built with custom-fitted gaskets to avert radon gas leakage.
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