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Vaillant Decoupling Module 3-8 kW Pressure Sensor 20123528

Vaillant

Vaillant Decoupling Module 3-8 kW Pressure Sensor 20123528

Vaillant decoupling module with pressure sensor for 3–8 kW applications, part number 20123528.

At a glance

  • Also known as 1389604
Manufacturer part no.
20123528
Showing prices

£17.18

£14.32 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 Vaillant 20123528 is a decoupling module with a pressure sensor, rated for 3–8 kW. It is a Vaillant component used in heating appliances to provide hydraulic decoupling and pressure monitoring. The part number is 20123528.

Before you order

  • Confirm the existing component carries Vaillant part number 20123528.
  • Check that the appliance rating falls within the 3–8 kW range.
  • Inspect the module and sensor connections for compatibility before fitting.

Not sure which part?

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