Alpha
Alpha Cable Assembly 3.016775
Wiring harness for Alpha HE combi boilers, connecting the NTC temperature sensors, air pressure switch, flow switch and gas valve modulator.
At a glance
- Also known as CABLE-ASSY-APSNTCM-SWI, 1250722
£68.64
£57.20 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 3.016775 is a cable assembly (wiring harness) used on Alpha HE combi boilers. It carries the connections for the temperature sensors (NTC), air pressure switch (APS), flow switch and gas valve modulator. It is a wiring component within the boiler's gas spares range.
Signs this part needs replacing
- Boiler locks out or fails to fire with APS or fan-related fault codes
- Erratic or incorrect temperature readings from the NTC sensors
- Intermittent faults that clear when the harness is moved or reseated
- Flow switch or hot water demand faults traced back to the wiring
- Visible damage such as frayed, brittle, burnt or corroded cable and connector pins
Before you order
- Confirm your boiler model against the fit list above
- Check the part number on the existing harness matches 3.016775
- Inspect the connector plugs and pin count against the original before fitting
Compliance
| Alternative numbers | CABLE-ASSY-APSNTCM-SWI, 3016775, 1250722 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA HE CB25 | 47-532-25 | 47-532-25 | — | — |
| ALPHA HE CB25 (LPG) | 47-532-27 | 47-532-27 | — | — |
| ALPHA HE CB33 | 47-532-26 | 47-532-26 | — | — |
| ALPHA HE CB33 (LPG) | 47-532-44 | 47-532-44 | — | — |
Documents & drawings
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