Andrews
Andrews QMF Safety Valve Z397
Safety valve for Andrews Fastflo water heaters, part number Z397.
At a glance
- Also known as 1824282
Showing prices
£45.08
£37.57 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 QMF safety valve, part number Z397, is a safety component for Andrews water heaters. It is listed for use across the Andrews Fastflo range of water heaters.
Signs this part needs replacing
- Water discharging or dripping from the valve outlet when the system is not under excess pressure
- Continuous flow from the pressure relief pipe
- Valve failing to reseat after operating
- Visible scale, corrosion or debris around the valve body
- System pressure rising above normal operating levels
Before you order
- Confirm your appliance model is listed in the Fits section
- Check the existing valve for the part number Z397 or QMF marking
- Verify the valve type matches the QMF specification
Compliance
| Alternative numbers | 1824282 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWH42 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWH56 | — | — | — | |
| 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 WH42 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WH56 | — | — | — |
Showing 10 of 13 compatible appliances.
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.
manual
ANDREWS WATER HEATERS appliance manual — FASTFLO LWH42, FASTFLO LWH56, FASTFLO WH42, FASTFLO WH56
manualmanualANDREWS WATER HEATERS appliance manual — FASTFLO LWHI49, FASTFLO LWHIC56, FASTFLO WHI49, FASTFLO WHIC56, FASTFLO WHIX49
manualmanualANDREWS WATER HEATERS appliance manual — FASTFLO LWHIX49
manualmanualANDREWS WATER HEATERS appliance manual — FASTFLO PLUS LWHIC56, FASTFLO PLUS WHIC56
manualNo 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.