
Andrews
Andrews 2nd/3rd Heat Exchanger Kit 7771812
Heat exchanger kit for the second and third heat exchangers on Andrews water heaters, part number 7771812.
At a glance
- Also known as 1824868
£27,448.20
£22,873.50 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 7771812 is a heat exchanger kit covering the second and third heat exchanger positions on Andrews water heaters. It is listed within the Andrews hot water spares range for boiler-type appliances. The kit is used when the second or third heat exchanger requires replacement.
Signs this part needs replacing
- Water leaking from around the heat exchanger body or connections
- Reduced hot water output or slower recovery from the appliance
- Scale or debris build-up restricting flow through the exchanger
- Overheating or repeated lockouts linked to poor heat transfer
- Visible corrosion or physical damage to the exchanger
Before you order
- Confirm your appliance model and serial number against the manufacturer's parts list
- Check whether the second or third heat exchanger is the position requiring replacement
- Refer to the appliance's installation and service documentation for the correct exchanger arrangement
Compliance
| Alternative numbers | 1824868 |
|---|
| 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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.
