Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Elson Air Vent Assy 40300003

Elson

Elson Air Vent Assy 40300003

Elson 3/8" air vent assembly, part number 40300003, intended for use with Elson water heaters.

Manufacturer part no.
40300003
Showing prices

£80.64

£67.20 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 Elson 40300003 is a 3/8" air vent assembly. It is supplied by Elson for use on Elson water heaters, where it provides the air venting point within the appliance's water circuit.

Before you order

  • Confirm the part number 40300003 matches the air vent assembly required for the appliance.
  • Check the connection size on the existing vent is 3/8" before ordering.
  • Verify the appliance is an Elson water heater.
  • Have the appliance model details to hand when checking the part against the unit.

Not sure which part?

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