
Andrews
Andrews Gas Burner Orifice NG 10/145 7703891
Natural gas burner orifice (10/145) for Andrews water heaters, part number 7703891.
At a glance
- Also known as 1823064
£13.00
£10.83 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 Andrews gas burner orifice (injector) NG 10/145, part number 7703891, is a metering component fitted to the gas burner circuit of Andrews water heaters. It regulates the flow of natural gas into the burner so the appliance runs at its correct input rate. This injector carries the size designation 10/145 and is intended for natural gas (NG) appliances.
Signs this part needs replacing
- Burner fails to light or lights inconsistently
- Weak, yellow or lifting flame at the burner
- Soot deposits or blackening around the burner
- Incorrect gas input rate or unstable combustion
- Visible blockage, corrosion or damage at the injector
Before you order
- Confirm the appliance is an Andrews Classicflo 10/145 or one of the models listed above.
- Check the appliance is set up for natural gas (NG), not LPG.
- Verify part number 7703891 against the injector being replaced.
- Confirm the size marking 10/145 matches the existing component.
Compliance
| Alternative numbers | 1823064 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO 10/145 | — | — | — |
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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