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Alpha Gas Valve 1.028678

Alpha

Alpha Gas Valve 1.028678

Dungs gas valve, part number 1.028678, for Alpha CD115S (LPG) and CD90S (LPG) appliances.

At a glance

  • Also known as 1259590
  • Gas valve replacement is a gas-carrying task and must be carried out by a Gas Safe registered engineer
Manufacturer part no.
1.028678
Showing prices

£301.16

£250.97 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 Dungs gas valve, part number 1.028678, is a gas control component used on Alpha CD-series appliances. It regulates the flow of gas to the burner under the control of the appliance's electronic sequence. This valve is specified for the LPG variants of the Alpha CD90S and CD115S.

Signs this part needs replacing

  • The appliance fails to fire or ignite on a call for heat
  • Repeated lockouts or fault codes relating to gas supply or flame detection
  • The burner lights but the flame is weak, unstable or extinguishes shortly after ignition
  • Audible clicking from the valve without gas passing to the burner
  • A smell of gas around the valve body or its connections

Before you order

  • Confirm the appliance model and that it is the LPG version, as listed above
  • Check the existing valve's part number against 1.028678 before ordering
  • Gas valve replacement is a gas-carrying task and must be carried out by a Gas Safe registered engineer
  • Verify the appliance's installation and servicing documentation for any model-specific notes

Not sure which part?

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