Potterton
Potterton Injector 3.90mm LPG 666664
Potterton LPG injector, 3.9 mm diameter, rated for 30 kW commercial boiler applications.
£23.09
£19.24 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 Potterton Injector 3.90MM -LPG is a gas injector supplied for Potterton Commercial appliances. It meters and directs the gas flow into the burner at the correct rate for a 30 kW LPG installation. The 3.9 mm orifice diameter is the defining dimension of this injector.
Signs this part needs replacing
- Burner fails to light or lights inconsistently on LPG
- Weak, unstable or uneven flame at the burner
- Visible blockage, debris or corrosion in the injector orifice
- Combustion readings outside the expected range for the appliance
- Gas rate lower than specified for a 30 kW LPG setting
Before you order
- Confirm the appliance is running on LPG and the required rating is 30 kW
- Check the existing injector marking matches the 3.9 mm diameter
- Verify the model against the fitment list above before ordering
- Confirm the appliance model and rating on the data plate, as injector size must match the fuel and kW input
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| POTTERTON COMMERCIAL PARAMOUNT FIVE - 30 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT FOUR - 30 KW | — | — | — | |
| POTTERTON COMMERCIAL PARAMOUNT THREE - 30 KW | — | — | — | |
| POTTERTON COMMERCIAL POTTERTON COMMERCIAL SPARES | — | — | — |
Documents & drawings
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