Andrews
Andrews O-Ring 16DF Z391
O-ring 16DF for Andrews water heaters, used as a sealing component in the Fastflo and hot water spares range.
At a glance
- Also known as 1824270
£5.30
£4.42 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 Andrews O-ring 16DF (part number Z391) is a sealing component for Andrews water heaters. It seals a joint within the appliance to prevent water leaks. This O-ring is listed for the Andrews hot water spares range and Fastflo models.
Signs this part needs replacing
- Water weeping or dripping from the joint the O-ring seals
- Visible cracking, flattening or deformation of the O-ring
- Hardening or perishing of the rubber
- Limescale or corrosion staining around the joint
- Repeated loss of pressure in the system
Before you order
- Confirm your appliance model against the fits list above
- Check the part number Z391 matches the item you are replacing
- Inspect the old O-ring's position and seating before removal
- Isolate the water supply and depressurise the appliance before fitting
Compliance
| Alternative numbers | 1824270 |
|---|
| 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 | — | — | — |
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.