Main
Main Washer 1in 5110857
1 inch washer for Main Multipoint BF and FF multipoint water heaters, including ErP variants.
At a glance
- Also known as 1160435
£10.96
£9.13 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 Main 5110857 is a 1 inch washer used in Main Multipoint BF and FF multipoint water heaters. It provides a watertight seal at the joint where it is fitted, preventing leakage from the connection. It is a serviceable component intended for replacement during repair or maintenance.
Signs this part needs replacing
- Water weeping or dripping from the joint where the washer sits
- The washer is visibly hardened, cracked or flattened
- Scale or corrosion deposits around the sealing face
- The joint continues to leak after being tightened
- Water staining or mineral residue on nearby components
Before you order
- Confirm the appliance model: Multipoint BF, Multipoint BF ErP, Multipoint FF or Multipoint FF ErP
- Check the GC number on the appliance data badge against your model
- Verify that the washer required at the joint is 1 inch
- Inspect the mating surfaces for damage before fitting the replacement
Compliance
| GC number | H18-277 |
|---|---|
| Alternative numbers | 1160435 |
| 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 | — | — |
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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