Alpha
Alpha PCB Diverter Valve 1.015689
Alpha PCB diverter valve 1.015689 for CB50 and He LPG gas boilers, controlling switching between heating and hot water.
At a glance
- Also known as PCB-DIVERTER, PCB-DIVERTER-VALVE-CB50, 1250141
£45.42
£37.85 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 Alpha PCB diverter valve, part number 1.015689, is a printed circuit board component used in Alpha gas boilers. It controls the diverter valve function, switching the appliance between central heating and domestic hot water demand. It is listed for the Alpha CB50 and He LPG appliance family.
Signs this part needs replacing
- No domestic hot water, or hot water runs cold while central heating still works
- Diverter valve fails to switch between heating and hot water modes
- Boiler locks out or displays a fault code relating to the diverter valve
- Heating runs when only hot water is demanded, or the reverse
- Intermittent or erratic mode switching
Before you order
- Confirm your boiler model and GC number against the fitment list
- Check that the part number on the existing PCB is 1.015689
- Confirm the appliance is the LPG variant
- Isolate the boiler from the electrical supply before fitting
Compliance
| Alternative numbers | PCB-DIVERTER, PCB-DIVERTER-VALVE-CB50, 1250141 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CB50 | — | — | — | |
| ALPHA CB50 | 47-532-18 | 47-532-18 | — | — |
| ALPHA CB50 (LPG) | — | — | — | |
| ALPHA HE25 | 47-532-41 | 47-532-41 | — | — |
| ALPHA HE25 (LPG) | 47-532-42 | 47-532-42 | — | — |
| ALPHA HE33 | 47-532-43 | 47-532-43 | — | — |
| ALPHA HE33 (LPG) | 47-532-44 | 47-532-44 | — | — |
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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