Main
Main Locknut 5110862
Locknut for Main Multipoint BF, BF ErP, FF and FF ErP water heaters.
At a glance
- Also known as 1160447
Showing prices
£24.34
£20.28 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 Main 5110862 is a locknut listed in the water heater spares range. It is a threaded fastener used to secure a joint or component against loosening on the appliance. It is intended for the Main Multipoint family of water heaters.
Signs this part needs replacing
- The nut has worked loose and will not hold its torque on the joint
- Visible corrosion, pitting or thread damage on the nut
- The hex flats are rounded and cannot be gripped properly with a spanner
- Weeping or seepage at the joint the nut secures
- The nut has been removed during a repair and is no longer fit for reuse
Before you order
- Confirm your appliance model against the fitment list above
- Check the part number 5110862 against the manufacturer's parts list for your appliance
- Inspect the mating thread and joint for damage before refitting
- Confirm how many locknuts are required for the repair
Compliance
| GC number | H18-097 |
|---|---|
| Alternative numbers | 1160447 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| MAIN MAIN MULTIPOINT BF | 52-467-01 | 52-467-01 | — | — |
| MAIN MAIN MULTIPOINT BF ErP | 52-467-01 | 52-467-01 | — | — |
| MAIN MAIN MULTIPOINT FF | 52-467-02 | 52-467-02 | — | — |
| MAIN MAIN MULTIPOINT FF ErP | 52-467-02 | 52-467-02 | — | — |
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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