Andrews
Andrews Heat Exchanger O-Ring Seal Z112
Pack of 40 R18 O-ring seals for Andrews heat exchangers, suitable for R18 and Supaflo water heater models.
At a glance
- Also known as 1822068
£401.78
£334.82 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 Z112 is a pack of 40 heat exchanger O-ring seals, sized R18. These seals fit between the heat exchanger and its mating connections on Andrews water heaters, preventing water leaks at the joint. They are a service item for R18 and Supaflo models.
Signs this part needs replacing
- Water weeping or dripping from the heat exchanger joint
- Visible flattening, cracking or hardening of the O-ring
- Water staining or corrosion around the heat exchanger connection
- Repeated pressure loss in the heating circuit
- O-ring swollen or deformed after removal
Before you order
- Confirm your appliance model against the fit list above
- Check that the existing O-ring is marked R18 or matches the R18 size
- Inspect the mating surfaces for damage before fitting new seals
- Consider how many seals are required; this pack contains 40
Compliance
| Alternative numbers | 1822068 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS R18 | — | — | — | |
| ANDREWS WATER HEATERS SUPAFLO - R2200 | — | — | — | |
| ANDREWS WATER HEATERS SUPAFLO R18 | — | — | — |
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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