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The Hart & Cooley RN Round Vent Increaser with MPN 3RN4 is designed for type B gas vent systems. This increaser features a diameter of three to four inches and dimensions of three and thirteen-sixteenths x four and one-half inches outer diameter, ensuring compatibility with standard vent pipes.
This vent increaser includes a unique locking band that provides a 360-degree turning radius for easy installation. The galvanized outer pipe protects against corrosion and damage, extending the life of the system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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