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Discussion History

Backup Heater

Assembly

Immersed electric resistance element that supplements the heat pump in high-demand or cold-air conditions. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Backup Heater parts and their functions

3 top-level parts · 3 parts in total · full bill of materials below
Backup Heater parts diagram: 1 heating element, 2 thermal fuse, 3 element flange. 3 parts in 3 assemblies.
Backup Heater parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Heating Element 1× Immersion resistance element
2 Thermal Fuse 1× Over-temperature cutout
3 Element Flange 1× Sealed element flange

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

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Bill of materials for Backup Heater

3 top-level lines · 3 rows shown · 3 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Heating Element heating-element 1× 1 · part
2 Thermal Fuse thermal-fuse 1× 1 · part
3 Element Flange heat-pump-water-heater-element-flange 1× 1 · part

Where the backup heater is used

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

Used in 1 assembly

Heat-Pump Water Heater

Sourcing: possible vendors

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 (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
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