BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Return Duct

Assembly

A low-velocity return circuit routing decelerated air from diffuser exit back to the fan inlet, completing the closed-loop circuit. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Return Duct parts and their functions

3 top-level parts · 4 parts in total · full bill of materials below
Return Duct parts diagram: 1 return duct, 2 return damping, 3 return insulation. 4 parts in 3 top-level items.
Return Duct parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Return Duct 1× Large rectangular or circular duct
2 Return Damping 2× Baffles or screens in return path
3 Return Insulation 1× Thermal control tubing

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Return Duct

3 top-level lines · 3 rows shown · 4 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Return Duct wind-tunnel-return-duct-tube 1× 1 · part
2 Return Damping wind-tunnel-return-damping 2× 2 · part
3 Return Insulation wind-tunnel-return-insulation 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the return duct is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks