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Potterton Exchanger 12 Plates Heat Box 5138647

Potterton

Potterton Exchanger 12 Plates Heat Box 5138647

Twelve-plate heat exchanger heat box for Potterton Commercial boilers, part number 5138647.

At a glance

  • Also known as N7066
Manufacturer part no.
5138647
Showing prices

£167.39

£139.49 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 Potterton 5138647 is a twelve-plate heat exchanger supplied as a heat box assembly. It is used in Potterton Commercial boiler appliances, where it transfers heat between the primary circuit and the secondary water circuit. The plate pack provides the surface area required for efficient heat transfer within the appliance.

Signs this part needs replacing

  • Water weeping or visible staining around the plate pack or its connections
  • Reduced heating or hot water performance despite the rest of the appliance operating correctly
  • Kettling, banging or unusual noise from the heat exchanger area
  • Unstable or fluctuating flow and return temperatures
  • Scale or debris build-up restricting flow through the plates

Before you order

  • Confirm your appliance model against the fit list above before ordering
  • Check the existing component is marked with part number 5138647
  • Verify the plate count of the fitted exchanger matches the twelve-plate unit
  • Work on the heat exchanger should be carried out by a competent heating engineer

Not sure which part?

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