
Andrews
Andrews Pipe - Secondary Heat Exchanger to Main Heat Exchanger 7702394
Pipe connecting the secondary heat exchanger to the main heat exchanger in Andrews Fastflo water heaters.
At a glance
- Also known as 1822978
£72.94
£60.78 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 7702394 is a pipe that connects the secondary heat exchanger to the main heat exchanger in Andrews water heaters. The manufacturer lists it as a heat exchanger pipe, SS to CU, spanning the stainless steel secondary heat exchanger and the copper main heat exchanger. It forms part of the internal water circuit on Fastflo and Fastflo PLUS units.
Signs this part needs replacing
- Water weeping or dripping from the pipe or its connections
- Visible corrosion, pitting or scaling on the pipe surface
- Cracks, kinks or deformation in the pipework
- Water staining or damp patches around the heat exchanger area
- Unexplained loss of system pressure or water level
Before you order
- Confirm your appliance model against the fit list above
- Check that the part number 7702394 matches the pipe being removed
- Inspect the connecting unions and seals for damage before refitting
- Isolate the water supply and power to the appliance before starting work
Compliance
| Alternative numbers | 1822978 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO LWHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO PLUS LWHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO PLUS WHIC56 | — | — | — | |
| ANDREWS WATER HEATERS FASTFLO WHIC56 | — | — | — |
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.
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