Alpha
Alpha 3/4 Inch Nut for Coupler 1.8407
Brass 3/4 inch female nut for the coupler on Alpha cylinder bases, used with a 1/2 inch valve.
At a glance
- Also known as 34F-NUT-FOR-COUPLER-BRASS-CB50, 1250433
£4.50
£3.75 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 1.8407 is a 3/4 inch female brass nut for the coupler on a cylinder base, designed to connect to a 1/2 inch valve. It is used on Alpha Solarsmart 100 cylinders and Alpha CB50/CD50 (LPG) boilers. The nut secures the valve-to-cylinder base joint and forms part of the water connection.
Signs this part needs replacing
- Water weeping or dripping at the cylinder base connection
- Visible corrosion, scale or discolouration on the nut
- Rounded or damaged flats on the nut
- Joint that will not seal after the valve has been removed and refitted
- Cracking or deformation around the nut body
Before you order
- Confirm the connection is a 3/4 inch female nut for a 1/2 inch valve
- Check your appliance model against the fitment list above
- Inspect the coupler and cylinder base seating for damage before refitting
- Verify the part number 1.8407 against the manufacturer's parts list
Compliance
| Alternative numbers | 34F-NUT-FOR-COUPLER-BRASS-CB50, 1250433 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA SOLARSMART 100 CYLINDER | — | — | — | |
| ALPHA CB50 | 47-532-18 | 47-532-18 | — | — |
| ALPHA CB50 (LPG) | — | — | — | |
| ALPHA CD50 | 47-532-24 | 47-532-24 | — | — |
| ALPHA CD50 (LPG) | — | — | — | |
| ALPHA SOLARSMART 100 CYLINDER | — | — | — |
Documents & drawings
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