Exhaust Solutions
Prefabricated boiler stacks, flue and chimney systems, and draft control for commercial and industrial applications.
AMPCO Boiler Stacks
Single- and double-wall modular, prefabricated positive-pressure venting systems and high-efficiency appliance venting for special gas vents.
- Factory-built for high quality, durability and long life.
- Stainless-steel construction; double-wall outer options in stainless or paintable aluminized steel.
- Tested and listed to multiple UL chimney-liner standards (UL 1777, ULC S635; double wall UL 103HT, 641, 2561; ULC C959).
- 5″ to 48″ diameters (ID) for a wide range of commercial applications.
- 1400°F maximum temperature rating (per NFPA 211).
- Backed by AMPCO’s industry-leading commercial/industrial warranty.
High-Efficiency Appliance Venting — Special Gas Vent
AMPCO models VSI/IVSI/N with special gas-vent listing complement the Heatfab Saf-T Vent® line for projects needing large diameters (above 32″ ID), double-wall construction with greater than 1″ insulation, or a 2-hour fire-rated chimney. Ideal for boilers, water heaters and furnaces — ANSI Category I, II, III or IV appliances.
- Tested and listed to UL 1738 / ULC S636.
- Available up to 48″ diameter (ID).
- Zero-clearance model with integral 2-hour fire rating, tested and listed to UL 2221.
- Single-wall and double-wall air/fiber-insulated models.
- Type 316 stainless inner wall with several outer-wall options.
Jeremias Single and Double Wall Venting
Jeremias is one of the world's leading manufacturers of flue and chimney systems for the exhaust of gases and ventilation, covering commercial and industrial applications.
U.S. Draft Dampers and Ventilation Control
US Draft offers a complete line of draft control products and engineered ventilation systems for commercial and industrial applications. Designed for durability and reliable performance, we can provide a wide range of products and accessories to meet your project's requirements. We can help configure the venting solution appropriate for your application.