Breechings, Chimneys
& Stacks

  • DW & DW Plus

    DW & DW Plus

    The most versatile product offered in the industry, with tees, elbows, supports, guying and transitions, nothing is left for field fabrication. Inside diameters of 6" through 36" come standard with 20-gauge type 304 stainless steel inner liners. Inside diameters of 38" through 48" come standard with 18-gauge type 304 stainless steel inner liners. Outside diameters of 8" through 26" come standard with 24-gauge aluminized steel and sizes 28" through 56", 20-gauge aluminized steel outer shells. Optional materials such as 316 stainless steel for inner liner and outer shell as well as other materials and gauges are available upon request. Model DW is standard with 1" air space between the liner and shell. Optional material insulation of 1", 2", 3" or 4" thickness is available for Model DW Plus.

    Catalog Installation Instructions Engine Exhaust Installation Instructions

  • DW & DW Plus

    CS & CS Plus

    Model CS is a double wall type construction with 01" of insulating air space between the liner and shell. Components having inside diameters of 04" through 24" come standard with 24 gauge type VP1738 stainless steel and 24 gauge aluminized steel shells. Type 430 stainless steel shell material is available upon request.

    Spec Sheet Catalog Installation Instructions Installation Videos

  • DW & DW Plus


    MW is a special gas vent for condensing chimney & breeching system, suitable for venting condensing and near condensing appliances burning natural gas or propane. These vents have a maximum operating temperature of 550° F (288° C) and may be used with negative, neutral, and positive vent pressures (40" water column maximum positive pressure). These vents are suitable for either interior or exterior installations.

    Spec Sheet Installation Instructions

  • DW & DW Plus


    Single Wall Fume Hoods, Particle Containment, Breeching Systems

  • DW & DW Plus

    Type B Gas Vent

    Gas Vent for Appliances Equipped with Draft Hoods / Diverters

  • DW & DW Plus


    Engineered Chimneys