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Vaillant Gas Isolation Valve 15/15 8000010446

Vaillant

Vaillant Gas Isolation Valve 15/15 8000010446

Vaillant gas isolation valve, 15/15, part 8000010446, for Ecotec Cs/1-5 boilers.

At a glance

  • Part type: gas isolation valve
  • Also known as 1392894
  • Gas work must be carried out by a competent Gas Safe registered engineer
Manufacturer part no.
8000010446
Showing prices

£57.56

£47.97 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 Vaillant 8000010446 is a gas isolation valve with 15/15 connections, fitted on Ecotec Cs/1-5 appliances. It isolates the gas supply to the boiler so the appliance can be worked on safely and the gas line can be proved. It is a serviceable component on the gas train rather than a combustion part.

Signs this part needs replacing

  • A gas smell around the valve body or its connections
  • The valve spindle is stiff, seized or will not turn through its full travel
  • Weeping or staining at the spindle or gland
  • A failed tightness test traced to the valve
  • The handle or operating mechanism is damaged or missing

Before you order

  • Confirm the appliance model and GC number against the fit list above
  • Check the existing valve is a 15/15 connection pattern
  • Confirm the appliance is a Cs/1-5 (2023) variant
  • Gas work must be carried out by a competent Gas Safe registered engineer

Not sure which part?

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