Alpha
Alpha Wiring Assembly Gas Valve Overheat 3.018591
Grommet and wiring assembly for the gas valve and overheat circuit in Alpha CD series LPG gas boilers.
At a glance
- Also known as WIRING-ASSY-GAS-VLV-OHEAT-CD252835C, 1258001
£150.65
£125.54 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 3.018591 is a grommet and wiring assembly for the gas valve and overheat circuit. It is manufactured by Alpha for use in Alpha CD series gas boilers. The assembly connects the gas valve and overheat circuit within the boiler.
Signs this part needs replacing
- Boiler fails to ignite or fires intermittently
- Overheat lockout or repeated shutdown
- Visible damage, fraying or heat damage to the wiring
- Loose or corroded connections at the gas valve or overheat thermostat
- Boiler requires frequent resets
Before you order
- Confirm your boiler model and GC number against the Fits list
- Check the part number 3.018591 matches your existing component
- Verify the boiler is an LPG variant
- Isolate the electrical supply and gas supply before fitting
Compliance
| Alternative numbers | WIRING-ASSY-GAS-VLV-OHEAT-CD252835C, 1258001 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD12S | — | — | — | |
| ALPHA ALPHA CD20S | — | — | — | |
| ALPHA ALPHA CD28C EXTRA | — | — | — | |
| ALPHA ALPHA CD28C EXTRA LPG | — | — | — | |
| ALPHA ALPHA CD35C | — | — | — | |
| ALPHA ALPHA CD35C LPG | — | — | — | |
| ALPHA CD12S | 41-532-16 | 41-532-16 | — | — |
| ALPHA CD12S (LPG) | 41-532-17 | 41-532-17 | — | — |
| ALPHA CD20S | 41-532-18 | 41-532-18 | — | — |
| ALPHA CD20S (LPG) | 41-532-19 | 41-532-19 | — | — |
Showing 10 of 24 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 — CD12S (GC 41-532-16), CD12S (LPG) (GC 41-532-17), CD20S (GC 41-532-18), CD20S (LPG) (GC 41-532-19), CD28S (GC 41-532-20), CD28S (LPG) (GC 41-532-21)
manualmanualALPHA appliance manual — CD25C (GC 47-532-31), CD25C (LPG) (GC 47-532-32), CD28C (GC 47-532-33), CD28C (LPG) (GC 47-532-34), CD28C EXTRA, CD28C EXTRA (LPG), CD35C (GC 47-532-35), CD35C (LPG) (GC 47-532-36)
manualmanualALPHA appliance manual — CD25X (GC 47-532-39), CD25X (LPG) (GC 47-532-40), CD28X (GC 47-532-37), CD28X (LPG) (GC 47-532-38)
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