Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Powrmatic DHM 10-20kW Exhaust Tube Gasket 142207040

Powrmatic

Powrmatic DHM 10-20kW Exhaust Tube Gasket 142207040

Exhaust tube gasket for Powrmatic DHM 10-20kW appliances, part number 142207040.

At a glance

  • Also known as 3480912
Manufacturer part no.
142207040
Showing prices

£7.90

£6.58 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 Powrmatic 142207040 is an exhaust tube gasket listed for the DHM 10-20kW range. It is a sealing component that sits at the exhaust tube joint, closing the gap between mating faces to keep the flue path gas-tight. It is classified as a gasket within the O-rings, washers and gaskets group of water heater spares.

Before you order

  • Confirm the part number 142207040 against the appliance data plate or existing component.
  • Check that the appliance is a Powrmatic DHM model rated between 10kW and 20kW.
  • Inspect the exhaust tube joint and mating faces before fitting, replacing any distorted or corroded parts.
  • Allow the appliance to cool and isolate the fuel and electrical supplies before work begins.

Not sure which part?

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