Andrews
Andrews Water Servo Main Kit 7700310
Water servo main kit, part 7700310, for Andrews Fastflo water heaters.
At a glance
- Also known as 1822876
Showing prices
£168.41
£140.34 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 water servo main kit (part 7700310) is a service assembly for the water section of Andrews water heaters. It regulates water flow through the appliance's hot water circuit. It is supplied as a main set for the Fastflo range.
Signs this part needs replacing
- No hot water draw, or hot water delivery that cuts in and out
- Water continues to flow after the tap is closed
- Hot water temperature fluctuates or is difficult to control
- Visible leaks or scale build-up around the servo assembly
- The servo does not respond when hot water is demanded
Before you order
- Confirm your appliance model against the fitment list above
- Check that part number 7700310 matches the number on the existing component
- Identify whether your unit is a standard Fastflo or a Fastflo PLUS variant
- Water heater work should be carried out by a competent heating engineer
Compliance
| Alternative numbers | 1822876 |
|---|
| 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.