Alpha
Alpha Safety Valve 3 Bar 1.021738
Alpha 3 bar safety valve, part 1.021738, for Alpha Ocean Style and Secura gas boilers.
At a glance
- Also known as SAFETY-VALVE-3-BAR-STYLE-CA-3114300, 1250313
£40.12
£33.43 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 1.021738 is a 3 bar safety valve for Alpha Ocean gas boilers. It is a pressure relief valve that opens to discharge excess pressure from the heating system. It is listed under pressure relief and safety valves in the gas boiler spares category.
Signs this part needs replacing
- Water dripping or discharging from the pressure relief pipe when the system is not overheating.
- Boiler pressure gauge reading rising or not holding steady.
- System pressure dropping repeatedly after topping up.
- Valve outlet continuously passing water or not sealing.
- Visible scale or debris around the valve seat.
Before you order
- Confirm your boiler model and GC number against the fitment list.
- Check the existing valve is rated at 3 bar.
- Verify the part number 1.021738 matches the valve being replaced.
- Check whether the existing valve carries a superseded code before ordering.
Compliance
| Alternative numbers | SAFETY-VALVE-3-BAR-STYLE-CA-3114300, 1250313 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA OCEAN SECURA 4200 | — | — | — | |
| ALPHA ALPHA OCEAN STYLE 80 FF | — | — | — | |
| ALPHA ALPHA OCEAN STYLE 80 OF | — | — | — | |
| ALPHA OCEAN SECURA 4200 | 47-532-20 | 47-532-20 | — | — |
| ALPHA OCEAN STYLE 80 FF | 47-532-02 | 47-532-02 | — | — |
| ALPHA OCEAN STYLE 80 OF | 47-532-03 | 47-532-03 | — | — |
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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