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Baxi Wiring Harness NTC 720917501

Baxi

Baxi Wiring Harness NTC 720917501

Baxi 720917501 exhaust gas NTC sensor wiring harness for a range of Baxi gas boilers and system boilers.

At a glance

  • Part type: Wiring
Manufacturer part no.
720917501
GC number
H90-527
Showing prices

£21.60

£18.00 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 Baxi 720917501 is a wiring harness for the exhaust gas NTC sensor, supplied under the product name Wiring Harness - NTC and classed as a wiring part. It connects the exhaust gas NTC sensor to the boiler control circuit, allowing the control board to monitor flue gas temperature.

Before you order

  • Confirm the boiler model and serial number, particularly for the 124 and 128 ErP Combi models, where the serial number ending determines fitment.
  • Check the appliance GC number against the fit list before ordering.
  • Compare the connector layout with the existing harness to confirm it matches the sensor and control board connections.

Not sure which part?

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