Main
Main Injector 120 5111394
Main injector, size 120, part number 5111394, for Multipoint FF water heaters.
At a glance
- Also known as 1160759
£20.69
£17.24 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 5111394 is a size 120 gas injector used in Main Multipoint FF water heaters. It meters the gas flow into the burner, so the injector size directly governs the heat input at the burner. It is a burner circuit component listed within the water heater spares range.
Signs this part needs replacing
- Weak or reduced flame at the burner compared with normal operation
- Poor or inconsistent hot water output from the appliance
- Sooting or discolouration around the burner area
- Difficulty establishing or maintaining a stable flame
- Visible blockage, damage or wear at the injector orifice
Before you order
- Confirm your appliance is a Main Multipoint FF or Multipoint FF ErP
- Check the injector size marking on the existing part matches 120
- Verify the part number 5111394 against the manufacturer's parts list for your model
- Check the GC number of your appliance against the model listing before ordering
Compliance
| GC number | H18-900 |
|---|---|
| Alternative numbers | 1160759 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| 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.
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