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AUTOMATIC VENT OPENER

10327
Regular price $52.00 USD
Regular price Sale price $52.00 USD
Sale On Backorder

Automatic vent operators on the roof and base vents require no electricity or batteries. The vent operator contains a paraffin (wax) that expands when the temperature reaches about 65°F, pushing the vent open to its fully opened position at about 85°F. As it cools and the paraffin contracts, the operator’s springs draw each vent closed. It is adjustable within approximately 5°F and easily detachable for manual operation.

The vent opener cylinders can be replaced when they stop working.

Please allow two weeks for delivery. Only available for shipment to continental U.S. addresses.

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