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Circulating Blower Assembly

Assembly

ECM-driven forward-curved blower moving conditioned air through the ductwork. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Circulating Blower Assembly parts and their functions

3 top-level parts · 116 parts in total · full bill of materials below
Circulating Blower Assembly parts diagram: 1 ECM blower motor, 2 blower wheel (squirrel cage), 3 blower scroll housing. 116 parts in 3 top-level items.
Circulating Blower Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 ECM Blower Motor 5 parts 1× Variable-speed ECM
2 Blower Wheel (squirrel cage) 1×
3 Blower Scroll Housing 1× Scroll housing with motor mount band.

3D model

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Build & assembly graph

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Bill of materials for Circulating Blower Assembly

3 top-level lines · 20 rows shown · 116 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 ECM Blower Motor 5 parts gas-furnace-ecm-motor 1× 1 114 assembly
1.1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
1.1.1 Stator Core (laminations) stator-core 1× 1 · part
1.1.2 Copper Winding copper-winding 1× 1 · part
1.1.3 Slot Insulation stator-insulation 1× 1 · part
1.2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
1.2.1 Rotor Shaft rotor-shaft 1× 1 · part
1.2.2 Rotor Core rotor-core 1× 1 · part
1.2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
1.2.4 Ball Bearing ball-bearing 1× 1 · part
1.3 Motor Housing motor-housing 1× 1 · part
1.4 Ball Bearing ball-bearing 2× 2 · part
1.5 ECM Drive Module 5 parts gas-furnace-ecm-module 1× 1 89 assembly
1.5.1 Bare PCB pcb-bare 1× 1 · part
1.5.2 Microcontroller mcu 1× 1 · part
1.5.3 Power MOSFET mosfet 6× 6 · part
1.5.4 Gate Driver IC gate-driver-ic 1× 1 · part
1.5.5 SMD Passive (R/C/L) smd-passives 80× 80 · part
2 Blower Wheel (squirrel cage) gas-furnace-blower-wheel 1× 1 · part
3 Blower Scroll Housing gas-furnace-blower-housing 1× 1 · part

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Where the circulating blower assembly 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