
Andrews
Andrews Air Mixing Inlet 7703999
Air mixing inlet, part 7703999, for Andrews water heaters including Classicflo RFF models.
At a glance
- Part type: air mixing inlet
- Also known as 1823130
- Gas appliance work should be carried out by a competent Gas Safe registered engineer
Showing prices
£131.28
£109.40 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 Andrews 7703999 air mixing inlet is a spare component for Andrews water heaters. It forms part of the appliance's air intake arrangement, where the incoming air feed is mixed ahead of the combustion process.
Signs this part needs replacing
- Unstable or erratic flame at the burner
- Soot deposits or discolouration around the combustion area
- Poor combustion readings on a flue gas analyser
- Rough or noisy running during ignition and operation
- Repeated lockouts or flame failure faults
Before you order
- Check your appliance model against the fit list above
- Confirm the part number 7703999 on the existing component or in the manufacturer's parts list
- Gas appliance work should be carried out by a competent Gas Safe registered engineer
Compliance
| Alternative numbers | 1823130 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RFF RFF 13/175 | — | — | — | |
| ANDREWS WATER HEATERS CLASSICFLO RFF RFF 18/270 | — | — | — |
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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