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Navien Packing 20002921A

Navien

Navien Packing 20002921A

Packing for Navien NCB-CE system and combination boilers, used to seal water-carrying joints.

At a glance

  • Part type: packing
Manufacturer part no.
20002921A
Showing prices

£4.82

£4.02 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

A packing supplied by Navien for use in NCB-CE ERP system and combination boilers. It forms a seal at a water-carrying joint within the appliance, preventing weeping and pressure loss. The material designation is NBR, NCNCE.

Signs this part needs replacing

  • Water weeping or dripping from the joint the packing seals
  • The packing looks hardened, cracked or flattened
  • Water staining, corrosion or scale around the joint
  • Repeated pressure loss in the heating circuit
  • Slight movement or noise at the joint under pressure

Before you order

  • Confirm your boiler model and serial number against the fit list above
  • Check that the part number 20002921A matches the component being removed
  • Confirm how many packings the job requires before ordering

Not sure which part?

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