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The Metal-Fab 3MCU is a universal round cap designed for B-vent applications. This product is suitable for use with category I natural gas or propane fired appliances, including gas furnaces, heaters, fireplaces, and boilers. It meets the standards outlined in NFPA 211 and NFPA 54 for safety and performance.
The 3MCU provides a reliable solution for venting gas appliances, ensuring proper airflow and protection from the elements.
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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