Baxi
Baxi Locknut M20 5129829
M20 locknut for the Baxi Ecogen 24 gas boiler, supplied as part 5129829.
At a glance
- Part type: locknut
- Also known as 1119480
Showing prices
£11.56
£9.63 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 Baxi Locknut M20 is a threaded M20 locknut used on Baxi gas boilers. It secures and locks the mating component in position on the appliance assembly. It is listed for the Baxi Ecogen 24.
Signs this part needs replacing
- Corroded or rusted nut body
- Rounded or damaged hex flats
- Cross-threaded or stripped internal thread
- Nut no longer holds torque and works loose
- Weeping or leakage at the joint it secures
Before you order
- Confirm the appliance is a Baxi Ecogen 24
- Check that the thread size required is M20
- Check how many locknuts the job needs
Compliance
| GC number | H81-059 |
|---|---|
| Alternative numbers | 1119480 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| BAXI ECOGEN 24 | 41-075-60 | 41-075-60 | — | — |
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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 technical questions yet for this part.
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