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Baxi 229418 Sit Nova Gas Valve 0.820.050 1/2 Inch BSP

Baxi

Baxi 229418 Sit Nova Gas Valve 0.820.050 1/2 Inch BSP

At a glance

  • Part type: Gas Valve
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
BAXI229418
Showing prices

£144.00

£120.00 ex. VAT · VAT at 20%

In stock
Cut-off passed — dispatches next working day
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Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Baxi gas valve (SIT Nova) is a replacement component for Baxi boilers. It regulates the supply of gas to the burner, opening and closing in response to signals from the boiler's control board. This valve is identified by part number BAXI229418 and is also listed under alternative number 229418. It is a critical safety and performance component, and replacement should only be carried out by a competent engineer.

Signs this part needs replacing

  • Boiler fails to ignite or locks out during a demand for heat or hot water.
  • Flame lights then goes out shortly after ignition.
  • Intermittent or inconsistent burner operation.
  • Error codes relating to flame failure or gas valve control.
  • No response from the boiler when calling for heat.
  • Unusual noises from the gas valve area.
  • Visible damage or corrosion on the valve body.

Before you order

  • Confirm the part number matches the existing valve or the appliance's serial plate.
  • Check whether a new gasket or seal is required for the valve connection.
  • Verify the alternative part number 229418 if the original label is unclear.
  • Baxi spare parts come with a manufacturer's standard twelve-month warranty.
  • Stock may have cosmetic marks from storage or imperfect packaging.
  • This part is fitted to a gas appliance; 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.