
Andrews
Andrews Mini Diptube Z178
Mini diptube for Andrews water heaters, part number Z178.
At a glance
- Appliance family: Andrews water heaters
- Also known as 1823910
Showing prices
£163.10
£135.92 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 Mini Diptube (Z178) is a component for Andrews water heaters. It is listed for use across the Andrews HI FLO range and the wider Andrews hot water spares line-up.
Signs this part needs replacing
- Reduced hot water volume at the outlet
- Hot water running lukewarm or cooling quickly
- Cold water mixing with the hot supply
- Inconsistent water temperature during draw-off
Before you order
- Confirm your appliance model against the fitment list above.
- Check the part number Z178 matches the component removed.
- Verify the appliance is an Andrews water heater.
- If your model is not listed, consult the manufacturer's parts list.
Compliance
| Alternative numbers | 1823910 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS HI FLO 32/143 | — | — | — | |
| ANDREWS WATER HEATERS HI FLO 54/418 | — | — | — | |
| ANDREWS WATER HEATERS HI FLO 54/440 | — | — | — | |
| ANDREWS WATER HEATERS HI FLO 62/341 | — | — | — | |
| ANDREWS WATER HEATERS HI FLO 65/173 | — | — | — | |
| ANDREWS WATER HEATERS HI FLO 81/264 | — | — | — | |
| ANDREWS WATER HEATERS HI FLO L32/143 | — | — | — |
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.
