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Navien Inlet Adaptor 20027139A

Navien

Navien Inlet Adaptor 20027139A

Inlet adaptor for Navien NPE-SWE CE series boilers, part number 20027139A.

At a glance

  • Part type: inlet adaptor
  • Appliance family: NPE-SWE CE series
Manufacturer part no.
20027139A
Showing prices

£57.19

£47.66 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 inlet adaptor is a Navien component used on NPE-SWE CE series boilers, where it forms the connection point at the appliance inlet. It is identified by part number 20027139A and is listed for the NPE-SWE CE-24S and CE-32S models.

Signs this part needs replacing

  • Water weeping or dripping from the inlet connection
  • Visible corrosion, scaling or pitting on the adaptor body
  • Cracking or deformation of the adaptor
  • Difficulty achieving a sound seal at the inlet joint
  • Reduced flow or pressure at the appliance inlet

Before you order

  • Confirm your boiler model matches one of the fitment listings above
  • Check the existing part number against 20027139A before ordering
  • Inspect the mating connection and seals for damage that may also need attention
  • Verify the serial number of the appliance where the fitment listing specifies one

Not sure which part?

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