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The Metal-Fab 3MVC is a three-inch round gas vent collar designed for Type B applications. This product meets UL 441 and NFPA 54/211 standards, ensuring safe operation in various heating systems. With an inner diameter of three and fifty-six hundredths inches and an outer diameter of eight and twenty-five hundredths inches, it provides an efficient connection for gas venting.
This gas vent collar is suitable for gas boilers, fireplaces, furnaces, and unit heaters, ensuring versatility in applications.
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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