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Johnson & Starley CBD 4 Coil 3+1 Heat Exchanger 1000-0302290

Johnson & Starley

Johnson & Starley CBD 4 Coil 3+1 Heat Exchanger 1000-0302290

Heat exchanger for Johnson & Starley CBD 4 appliances with a 3+1 coil configuration, part number 1000-0302290.

At a glance

  • Also known as 1693812
Manufacturer part no.
1000-0302290
Showing prices

£712.97

£594.14 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 JNST 1000-0302290 is a heat exchanger from Johnson & Starley, supplied under the designation CBD 4 Coil 3+1. It is the component that transfers heat from the combustion side of the appliance to the circulating air or water circuit. The 3+1 coil arrangement is stated in the product designation.

Before you order

  • Confirm the part number 1000-0302290 against the existing heat exchanger or the appliance documentation.
  • Check that the CBD 4 designation and the 3+1 coil configuration match the unit being worked on.
  • Verify the appliance model before ordering, as heat exchanger assemblies can differ between variants.

Not sure which part?

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