Andrews
Andrews Main Damper 11 Z366
Main Damper 11 spare part for Andrews water heaters, part number Z366.
At a glance
- Also known as 1824220
Showing prices
£6.10
£5.08 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
Main Damper 11 is a spare part manufactured for Andrews water heaters. It is listed within the Andrews hot water spares range under part number Z366. As a damper, it forms part of the appliance's airflow control.
Signs this part needs replacing
- The damper blade is visibly corroded, warped or damaged
- The damper sticks or does not move freely through its travel
- Soot or debris has built up around the damper
- The appliance shows signs of incorrect combustion or airflow
- Unusual noises from the damper area during operation
Before you order
- Confirm your appliance model against the fits list above
- Check the existing part number or markings on the damper
- Refer to the manufacturer's parts list if your model is not listed
Compliance
| Alternative numbers | 1824220 |
|---|
| 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 WH42 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WH56 | — | — | — |
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.