Alpha
Alpha Isolating Valve 3/4 Inch Flow & Return 1.015491
At a glance
- Part type: Isolating valve
- Also known as 1250124
£50.18
£41.82 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 Alpha isolating valve is a 3/4 inch flow and return valve fitted beneath the heating appliance. It allows the water supply into the central heating system to be shut off, isolating the boiler when a leak, emergency or routine service demands it. It is an Alpha spare part serving the Alpha C and CB appliance families.
Signs this part needs replacing
- Dripping or weeping from the valve body or spindle
- Spindle stiff, seized or refusing to turn by hand
- The appliance cannot be isolated for servicing or repair
- Water continues to pass through with the valve in the closed position
- Corrosion, scale or staining visible around the valve
Before you order
- Check the GC number on the appliance data badge against the compatibility list
- Confirm the previous part number 1.018129 when ordering against older documentation
- Verify that the connection on your model is 3/4 inch flow and return
Mechanical
| Part type | Valves General, Assembly |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 1.015491 |
|---|---|
| Barcode / EAN | 8015065315183 |
| Commodity code | 8481 80 71 00 |
| GPC classification | Valves/Fittings - Water and Gas |
| Alternative numbers | 160805093344, ALPHA1.015491, ISOLATING-VALVE-34, ALPHA1.015491, 1.018129, 1250124 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA C23 | — | — | — | |
| ALPHA ALPHA C27 | — | — | — | |
| ALPHA ALPHA CB24 | — | — | — | |
| ALPHA ALPHA CB24X | — | — | — | |
| ALPHA ALPHA CB28 | — | — | — | |
| ALPHA ALPHA CB28X | — | — | — | |
| ALPHA ALPHA CB50 | — | — | — | |
| ALPHA ALPHA CD24C | — | — | — | |
| ALPHA ALPHA CD24S | — | — | — | |
| ALPHA ALPHA CD32C | — | — | — |
Showing 10 of 51 compatible appliances.
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.
ALPHA appliance manual — C23 (GC 47-532-22), C23 (LPG), C27 (GC 47-532-23), C27 (LPG)
manualmanualALPHA appliance manual — CB24 (GC 47-532-15), CB24 (LPG), CB24X (GC 47-532-14), CB24X (LPG), CB28 (GC 47-532-16), CB28 (LPG), CB28X (GC 47-532-17), CB28X (LPG)
manualmanualALPHA appliance manual — CB50 (GC 47-532-18), CB50 (LPG)
manualmanualALPHA appliance manual — CD13R (GC 41-532-05), CD13R (LPG) (GC 41-532-11), CD18R (GC 41-532-03), CD18R (LPG) (GC 41-532-09), CD24R (GC 41-532-04), CD24R (LPG) (GC 41-532-10)
manualmanualALPHA appliance manual — CD18S (GC 41-532-06), CD18S (LPG) (GC 41-532-13), CD30S (GC 41-532-08), CD30S (LPG) (GC 41-532-14)
manualmanualALPHA appliance manual — CD24C (GC 47-532-19), CD24C (LPG) (GC 47-532-29), CD24S (GC 41-532-02), CD24S (LPG) (GC 41-532-15), CD32C (GC 47-532-21), CD32C (LPG) (GC 47-532-30)
manualmanualALPHA appliance manual — CD50 (GC 47-532-24), CD50 (LPG)
manualmanualALPHA appliance manual — HE CB25 (GC 47-532-25), HE CB25 (LPG) (GC 47-532-27), HE CB33 (GC 47-532-26), HE CB33 (LPG) (GC 47-532-44), HE SY25 (GC 41-532-07), HE SY25 (LPG) (GC 41-532-12)
manualmanualALPHA appliance manual — SY24 (GC 41-532-01), SY24 (LPG)
manualNo technical questions yet for this part.
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