The 4 in. x 4 in. x 4 in. Steel Gas Vent Tee is a Type B fitting used to transition a system from horizontal to vertical orientation. It provides easy access for inspection and maintenance. It has a strong, durable, galvanized-steel outer pipe with internal spacing bends that assure a uniform insulating air space between pipe walls. Each end is die-formed for uniform sizing and strong, easy-to-connect joints. A lock tab feature offers the option of installation without sheet-metal screws. It is UL listed for safety in accordance with NFPA standards.
- Strong, durable galvanized steel outer pipe
- Use to transition a system from horizontal to vertical orientation
- Lock tab feature can be used instead of sheet-metal screws for ease of installation
- Each end is die-formed to assure uniform sizing for strong, easy-to-connect joints
- Tested and listed per UL 441 for installation in single and multi-story buildings
- Internal spacing bends create a uniform insulating air space between pipe walls
- Easy access for inspection and maintenance
- Type B gas vent is also referred to as b vent or type b vent
- Some common applications may include warm air furnaces, tank water heaters, residential boilers, common vented appliances and more
- Used on gas-fired category I natural draft appliances






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