Is my chimney too big for my appliance?

CODE: NFPA 54 2018 13.1.9 7x Area Rule


Short cycling, long priming times, wet stacks, flue gas spillage, wet floors? Get your vent evaluation today. We need appliance’s make and model, vertical and horizontal footage and diameter size.

Boilers Have Changed, Shouldn’t Your Combustion Air System?

Pressure Air Systems from US Draft Co only provides the air needed for the
mechanical room, saving energy! Contact us to size your system.

Call: (800) 218-1990

Contact Us

Venting solutions, services and stocking.

Contact Info

Our Office

100 S. Sylvania Ave
Fort Worth, TX, 76111

Open Office Hours

Mon-Fri: 7am - 4pm
Sat-Sun: Closed


Get in Touch
(800) 218-1990