Andrews
Andrews Heat Exchanger & Exhaust Box Z523
Heat exchanger and exhaust box assembly for Andrews water heaters, manufacturer part number Z523.
At a glance
- Part type: heat exchanger and exhaust box
- Also known as 1824484
£1,200.04
£1,000.03 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Z523 is a heat exchanger and exhaust box assembly manufactured by Andrews for use in Andrews water heaters. It transfers heat from the combustion process into the stored water and routes exhaust gases away from the appliance. It is supplied as a single assembly under Andrews part number Z523.
Signs this part needs replacing
- Water weeping or visible corrosion around the heat exchanger body or its connections
- Exhaust gases escaping from the exhaust box or flue connections
- Soot, staining or condensate build-up around the exhaust box
- Reduced hot water output or recovery rate that cannot be traced to other components
- Repeated lockouts or combustion faults linked to the heat exchanger
Before you order
- Confirm the appliance model against the manufacturer's parts list before ordering
- Check the existing component for the Z523 marking to verify the part number
- Inspect the exhaust box and heat exchanger connections for damage that may require additional parts
- Work on combustion components should be carried out by a competent heating engineer
Compliance
| Alternative numbers | 1824484 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — |
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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