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Baxi Pressure Switch Kit 80PF 720954401

Baxi

Baxi Pressure Switch Kit 80PF 720954401

Baxi 720954401 air pressure switch kit for Solo 3 60PF, 70PF and 80PF boilers, proving fan operation before the burner is allowed to fire.

At a glance

  • Part type: Pressure switch kit
  • Also known as 1119656
Manufacturer part no.
720954401
GC number
E26-221
Showing prices

£78.00

£65.00 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 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 720954401 is an air pressure switch kit used on Baxi Solo 3 PF and Solo 3 PF System boilers. It monitors the pressure created by the combustion fan and signals the printed circuit board that the fan is running and clearing flue gases. If the fan stops or the pressure signal is lost, the board prevents the appliance from firing, so noxious products of combustion cannot build up inside the boiler.

Signs this part needs replacing

  • The boiler locks out or fails to fire even though the fan runs
  • The fan runs but the burner never lights, with the appliance repeatedly going to lockout
  • Intermittent ignition that clears after a reset and returns shortly afterwards
  • The fan is noisy, slow to start or stops part-way through a cycle
  • The printed circuit board reports a fan or air pressure fault

Before you order

  • Check the GC number and model plate on the appliance against the compatibility list below, as Solo 3 variants differ by output and system type
  • Confirm the number on the existing switch matches 720954401, 246055 or 1119656 before ordering

Not sure which part?

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