
Alpha
Alpha flow switch 6.5634060
Genuine Alpha flow switch, part number 6.5634060, for boilers up to serial number A74708025.
At a glance
- Also known as 1251252
- Fitting should be carried out or checked by a Gas Safe registered engineer
£168.64
£140.53 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
This is the flow switch fitted to affected Alpha boilers, which detects water flow through the system and signals the boiler to fire. It is a genuine Alpha part, number 6.5634060, listed by the manufacturer's own parts records as applicable up to boiler serial number A74708025.
Signs this part needs replacing
- Boiler does not fire despite the pump running and water flowing
- Intermittent or nuisance lockouts related to flow
- Switch tests as faulty when checked by an engineer
- Fault codes relating to flow detection
Before you order
- Check your boiler's serial number against the cutoff quoted (up to A74708025) before ordering
- Isolate and drain the relevant circuit before removing the old switch
- Fitting should be carried out or checked by a Gas Safe registered engineer
Compliance
| GC number | 343-801 |
|---|---|
| Alternative numbers | WATER-FLOW-SWITCH-PRIMARY, 1251252 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA 500 E | 47-532-07 | 47-532-07 | — | — |
| ALPHA ALPHA 500 E | — | — | — |
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.
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