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Vaillant MAG Reversing Cock 950183

Vaillant

Vaillant MAG Reversing Cock 950183

Vaillant 950183 reversing cock for MAG 250/7 W, MAG 325/7 W and MAG 400/7 W appliances.

At a glance

  • Part type: reversing cock
  • Also known as 1378374
Manufacturer part no.
950183
Showing prices

£182.03

£151.69 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 950183 is a reversing cock supplied by Vaillant for use in MAG series water heaters. It forms part of the water circuit on these appliances, controlling flow direction through the relevant connection. The part is identified by the manufacturer part number 950183.

Signs this part needs replacing

  • Water weeping or dripping from the reversing cock body or its connections
  • Stiff or seized operation when the cock is turned
  • Scale or corrosion visible around the valve seating
  • Reduced or irregular water flow through the affected connection
  • Water tracking onto surrounding components in the appliance

Before you order

  • Confirm the appliance model matches one of the listed MAG variants
  • Check the existing part number 950183 against the component being replaced
  • Inspect the surrounding pipework and connections for damage before fitting
  • Verify the fault lies with the reversing cock rather than an adjacent component in the water circuit

Not sure which part?

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