Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Vaillant Wiring Harness Heat Engine 0010029293

Vaillant

Vaillant Wiring Harness Heat Engine 0010029293

Wiring harness for the heat engine on selected Vaillant Ecotec 635 and Ecotec PLUS 840 and 940 appliances.

At a glance

  • Also known as 1391720
Manufacturer part no.
0010029293
Showing prices

£29.71

£24.76 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Vaillant 0010029293 is a wiring harness for the heat engine assembly. It provides the electrical connections between the heat engine and the appliance's control and power circuits on the listed Ecotec models. It is supplied as a single harness.

Signs this part needs replacing

  • Intermittent operation or unexplained shutdowns traced to the heat engine circuit
  • Fault codes relating to the heat engine or its associated sensors
  • Chafed, cracked or heat-damaged insulation along the harness
  • Loose, corroded or discoloured connector terminals
  • Signs of arcing, scorching or burning at the plug ends

Before you order

  • Confirm your appliance model and GC number against the fit list above
  • Check the part number on the existing harness where it is legible
  • Compare connector type and pin count against the harness being removed before fitting

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.