
Baxi
Baxi Gas Valve Inc O-Rings & Gasket BAXI402550
Baxi gas valve, part 402550, supplied with O-rings and gasket, controlling gas flow to the burner in Baxi appliances.
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.
£360.00
£300.00 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Baxi 402550 is a gas valve assembly supplied complete with its O-rings and gasket. It controls the flow of gas to the burner, allowing the appliance to light and modulate to match demand. It is a Baxi-manufactured spare listed under gas valves.
Signs this part needs replacing
- The burner fails to light, or lights only intermittently
- The appliance locks out shortly after a heat or hot water demand
- The flame drops out during operation
- No gas reaches the burner despite a call for heat
- Debris, damage or staining is visible around the valve body
Before you order
- Check the appliance data plate and GC number against the part number to confirm the correct valve.
- Inspect the supplied O-rings and gasket before fitting and renew them if they are hardened or marked.
- This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Mechanical
| Part type | Gas Valves |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 402550 |
|---|---|
| Commodity code | 8481 80 99 00 |
| GPC classification | Valves/Fittings - Water and Gas |
No fitment data held for this part.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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