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Ideal Vertical Flue Connector Kit Pre MV3 175685

Ideal

Ideal Vertical Flue Connector Kit Pre MV3 175685

Ideal 175685 vertical flue connector kit (Pre MV3) for Ideal Elise HE and Esprit 2 boilers, joining the appliance flue outlet to a vertical flue run.

At a glance

  • Part type: Flue assembly (vertical flue connector kit)
  • Also known as 1781402
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
175685
Showing prices

£118.50

£98.75 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 Ideal 175685 is a vertical flue connector kit, listed by the manufacturer as a flue assembly and supplied under the Pre MV3 designation. It forms the transition between the boiler's flue outlet and a vertical flue system, carrying products of combustion away from the appliance while maintaining the sealed flue path. It is used across a number of Ideal domestic boiler ranges, including the Elise HE and Esprit 2 families.

Signs this part needs replacing

  • Visible corrosion, staining or perforation on the connector body or its joints
  • Condensate tracking or water marks around the flue outlet and connector
  • Deteriorated or displaced seals allowing flue gases to escape at the joint
  • Discolouration or sooting around the connector indicating leakage
  • Boiler lockout or combustion faults traced to the flue path during servicing

Before you order

  • Check the appliance GC number against the compatibility list to confirm the correct flue connector for your model
  • Confirm the part number 175685 or the alternative number 1781402 before ordering
  • Inspect the flue seals and joints at the same time, as these are disturbed when the connector is replaced
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

Not sure which part?

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