
Andrews
Andrews Water Flow Sensor Kit 7700308
Water flow sensor kit for Andrews Fastflo and Fastflo PLUS water heaters, part number 7700308.
At a glance
- Also known as 1822872
Showing prices
£87.52
£72.93 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 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 7700308 is a water flow sensor kit for Andrews water heaters. It detects water flow through the appliance so the heater can respond to demand. The kit is listed for Fastflo and Fastflo PLUS models.
Signs this part needs replacing
- The appliance fails to fire on a hot water draw-off
- Intermittent ignition or the burner cutting out during demand
- Hot water temperature fluctuating during use
- Fault codes relating to water flow or demand detection
- The heater responding only at high flow rates
Before you order
- Confirm your appliance model appears in the fits list above
- Check the part number on the existing sensor against 7700308
- If your model is not listed, check the manufacturer's parts list for your appliance
Compliance
| Alternative numbers | 1822872 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWHI49 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWHIX49 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO PLUS LWHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO PLUS WHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WHI49 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WHIX49 | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
