Alpha
Alpha Venturi 1.025033
Venturi for the Alpha CD20S (LPG) boiler, part number 1.025033, used in the combustion air and gas circuit.
At a glance
- Also known as VENTURI-CD20S, 1259416
£48.44
£40.37 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 venturi 1.025033 is a combustion air component used on the Alpha CD20S (LPG) boiler. A venturi creates a pressure differential that draws gas into the air stream so the two mix correctly before combustion. It is a serviceable item within the boiler's air and gas circuit.
Signs this part needs replacing
- Boiler locks out or fails to ignite
- Unstable or lifting flame at the burner
- Combustion readings outside the manufacturer's stated range, such as raised CO or incorrect CO2
- Whistling or roaring from the air intake or fan area
- Repeated flame failure during a demand for heat
Before you order
- Confirm the appliance is an Alpha CD20S LPG model and that the GC number matches 41-532-19.
- Check the part number 1.025033 against the appliance's parts list before ordering.
- Isolate the gas and electrical supplies before fitting; the work should be carried out by a competent person.
Compliance
| Alternative numbers | VENTURI-CD20S, 1259416 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD20S | — | — | — | |
| ALPHA CD20S | 41-532-18 | 41-532-18 | — | — |
| ALPHA CD20S (LPG) | 41-532-19 | 41-532-19 | — | — |
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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