Andrews
Andrews O-Ring P11C Z400
O-ring P11C (Z400) from Andrews, a sealing component for Andrews Fastflo water heaters.
At a glance
- Also known as 1824288
Showing prices
£9.29
£7.74 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 O-ring P11C is a sealing component for Andrews water heaters. It is listed for use across the Andrews Fastflo range of hot water appliances, where it forms a watertight seal at the joint it is fitted to.
Signs this part needs replacing
- Water weeping or dripping from the joint where the O-ring sits
- The ring looks flattened, cracked or hardened
- Scale or debris visible on the seal
- A leak that returns after the joint has been reassembled
- Damp staining or corrosion around the connection
Before you order
- Check your appliance model against the fit list above
- Confirm the part number P11C matches the entry on your appliance's parts list
- Inspect the joint for any other worn components before reassembly
Compliance
| Alternative numbers | 1824288 |
|---|
| 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.