Ductwork

When ordering Double Branches, specify material and dimensions A, B, C, D. (A - C) ≥ (C-B) and (C) ≥ (D) Use formula above to determine if a reducer is needed at C or D. Length = C X 2 + 9" Available in Galvanized and 304SS or optional...

When ordering Double Branches, specify material and dimensions A, B, C, D. (A - C) ≥ (C-B) and (C) ≥ (D) Use formula above to determine if a reducer is needed at C or D. Length = C X 2 + 9" Available in Galvanized and 304SS or optional...

When ordering Double Branches, specify material and dimensions A, B, C, D. (A - C) ≥ (C-B) and (C) ≥ (D) Use formula above to determine if a reducer is needed at C or D. Length = C X 2 + 9" Available in Galvanized and 304SS or optional...

When ordering Double Branches, specify material and dimensions A, B, C, D. (A - C) ≥ (C-B) and (C) ≥ (D) Use formula above to determine if a reducer is needed at C or D. Length = C X 2 + 9" Available in Galvanized and 304SS or optional...

When ordering Double Branches, specify material and dimensions A, B, C, D. (A - C) ≥ (C-B) and (C) ≥ (D) Use formula above to determine if a reducer is needed at C or D. Length = C X 2 + 9" Available in Galvanized and 304SS or optional...

Used to adjust airflow to balance system by introducing ambient air. Available in Galvanized and 304SS or optional 316SS or carbon steel Available with flanged ends in diameters up to 24", and other various end types Optional gauges 20, 18 and...

Used to adjust airflow to balance system by introducing ambient air. Available in Galvanized and 304SS or optional 316SS or carbon steel Available with flanged ends in diameters up to 24", and other various end types Optional gauges 20, 18 and...

Provides weather protection for roof penetration. Bolted at seam. 23° slope maximum. Available in Galvanized and 304SS (as shown below) or optional 316SS or carbon steel Contact us for assistance with material / custom options.

Flanged Branches (sometimes called “wyes” or “laterals”) are standard with Angle Flanges on both ends, the flanges are retained via a vanstone lip so that bolt holes can easily be aligned with those on existing flanged connections...

Flanged Branches (sometimes called “wyes” or “laterals”) are standard with Angle Flanges on both ends, the flanges are retained via a vanstone lip so that bolt holes can easily be aligned with those on existing flanged connections...

Flanged Branches (sometimes called “wyes” or “laterals”) are standard with Angle Flanges on both ends, the flanges are retained via a vanstone lip so that bolt holes can easily be aligned with those on existing flanged connections...

Flanged Branches (sometimes called “wyes” or “laterals”) are standard with Angle Flanges on both ends, the flanges are retained via a vanstone lip so that bolt holes can easily be aligned with those on existing flanged connections...