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Potterton Gas Valve 402552

Potterton

Potterton Gas Valve 402552

Honeywell VK4105E1009 gas valve, Potterton part 402552, for Potterton Suprima 100 and Suprima 100 L boilers.

At a glance

  • Also known as HWELL-CVI-GAS-VALVE-SOFT, 1122383, N7568
  • Installation must be carried out by a Gas Safe registered engineer
Manufacturer part no.
402552
GC number
173-154
Showing prices

£156.00

£130.00 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 Honeywell VK4105E1009 is a gas valve used in Potterton gas boilers and is listed under Potterton part number 402552. It regulates the supply of gas to the burner in response to the boiler's demand signal. It is specified for the Potterton Suprima 100 and Suprima 100 L appliance family.

Signs this part needs replacing

  • Boiler fails to ignite despite a call for heat
  • No gas reaching the burner
  • Intermittent lockout or flame failure
  • Boiler fires briefly then cuts out
  • No response to demand from the boiler controls

Before you order

  • Confirm your boiler model and GC number against the fitment list
  • Check the existing valve is marked VK4105E1009, or that the boiler uses Potterton part 402552
  • Installation must be carried out by a 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.