Frequently Asked Questions

1. What is the minimum clearance to combustibles?

Answer: 3" clearance to combustibles.

2. Do I need sealant or tape on connections?

Answer: Sealant is not required unless specified by the appliance manufacturer.

3. What is the minimum termination height above the roof?

Answer: 1' minimum of pipe is required above the high side of the roof.

4. Why is there so much slop at the collar of the stove?

Answer: The problem is with the vent manufacturer. Different vent pipe manufacturers can use slightly different sizes.

5. What flashing do I use for roof pitches over 7/12?

Answer: Use the gas vent flashing for a steep roof (stock numbers 141S and 142S).

6. What flashing do I use for a tile roof, DSA?

Answer: Use a Gas Vent DSA flashing, 3" or 4".

7. Why don't I have wall straps?

Answer: For a wall strap use a combination tee support and wall strap.

8. How close to the wall can I terminate?

Answer: 6" minimum distance from the wall to pipe.

9. Can I seal the pipe where it passes through the thimble?

Answer: Yes. Use a 500° RTV Silicone.

10. Which side of the thimble goes on the interior wall?

Answer: The black side goes on the interior wall.

11. Are the 45° or 90° elbows adjustable?

Answer: No. The elbows are factory sealed to prevent leaking under pressure.

12. What do I use to install through cathedral ceilings?

Answer: Use a cathedral ceiling support box.

13. How do I extend the wall thimble?

Answer: Use similar material to extend the sleeves.

14. Why is the 2 foot 10 rule not followed?

Answer: Pellet vent terminates 1 foot above the roof because the fan gets the exhaust airborne.

15. Can I use B vent instead?

Answer:No. Use pellet vent only.

16. Is there a high wind pellet vent cap?

Answer: No. Use the vertical cap termination.

More questions? Email us and we'll be happy to answer!

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