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Ideal Heat Exchanger Sub Assembly Imax Xtra F120 174399

Ideal

Ideal Heat Exchanger Sub Assembly Imax Xtra F120 174399

Heat exchanger sub assembly for Ideal Commercial Imax Xtra E120 and F120 boilers, part 174399, alternative number 1782148.

At a glance

  • Part type: Heat exchanger sub assembly
  • Appliance family: Imax Xtra
  • Also known as 1782148
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
174399
Showing prices

£8,175.66

£6,813.05 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 174399 is a heat exchanger sub assembly supplied for Ideal Commercial Imax Xtra appliances. It forms the primary heat transfer component of the boiler, taking heat from the combustion gases and passing it into the water circuit that serves the heating and hot water system. The assembly is built for the Imax Xtra range and is listed by Ideal under part number 174399.

Signs this part needs replacing

  • Water loss or visible weeping around the heat exchanger body or its connections
  • Repeated overheat lockouts or the boiler cutting out before reaching temperature
  • Kettling, banging or rumbling noises from the heat exchanger during firing
  • Reduced heating or hot water output despite the burner running normally
  • Scale build-up, corrosion pitting or distortion found on inspection of the exchanger

Before you order

  • Confirm the appliance model and serial number against the compatibility list before ordering
  • Check the existing part number and any alternative number marked on the component
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
  • Assess whether any gasket or seal associated with the exchanger joint needs replacing at the same time

Not sure which part?

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