Roof curbs

Terminal units

Bypass

Our bypass terminal units are used to zone single-duct heating and air conditioning systems by regulating the volume of air projected into a room according to demand or based on the thermostat.

BE

Our BE bypass units are made of 22-gauge galvanized steel with ½” fiberglass acoustic and thermal insulation with an acrylic coating.
Height: 10″ to 24″ – Width: 8″ to 36″ – Depth: 23.5″ to 35.5″
The bypass damper must be adjusted at the time the system is balanced.
Erosion resistance of up to 6000 ppm.
S-joint outlet and keyway adapt to standard ducts.

Option : Built-in silencer

Standards: insulation: NFPA 90A and 90B/ASTM C-1071/SMACNA/CGSB 51 GP 11M/AN-ULCS102-M88

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BEL

Our BEL units, which offer a lateral bypass and a low profile for limited space, are made of 22-gauge galvanized steel with ½” fiberglass acoustic and thermal insulation with an acrylic coating.
Height: 10″ to 14″ – Width: 22″ to 36″ – Depth: 19″ to 31″
The bypass damper must be adjusted at the time the system is balanced.
Erosion resistance of up to 6000 ppm.
S-joint outlet and keyway adapt to standard ducts.

Option : Built-in silencer

Standards: insulation: NFPA 90A and 90B/ASTM C-1071/SMACNA/CGSB 51 GP 11M/AN-ULCS102-M88

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SMB

Our SMB bypass units are made of 22-gauge galvanized steel with ½” fiberglass acoustic and thermal insulation with an acrylic coating.
Height: 10″ to 10.5″ – Width: 12″ to 34″ – Depth: 16.5″ to 28.5″
The bypass damper must be adjusted at the time the system is balanced.
Erosion resistance of up to 6000 ppm.
S-joint outlet and keyway adapt to standard ducts.

Option : Built-in silencer

Standards: insulation: NFPA 90A and 90B/ASTM C-1071/SMACNA/CGSB 51 GP 11M/AN-ULCS102-M88

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