Alpha
Alpha seal kit 770 for domestic pressure sensor repair 6.1000770
Genuine Alpha seal kit 770, for reconditioning and repair of the domestic pressure sensor on the Alpha 240 boiler, part number 6.1000770.
At a glance
- Also known as 1250825
- Fitting should be carried out or checked by a Gas Safe registered engineer
£52.91
£44.09 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
Alpha seal kit 770 is the reconditioning kit for repair of the domestic (DHW) pressure sensor on the Alpha 240 boiler. It provides the seals needed to service the sensor without replacing it outright. It is a genuine Alpha part, number 6.1000770.
Signs this part needs replacing
- DHW pressure or flow-related fault readings
- Water leaking from around the pressure sensor housing
- Inconsistent hot water performance linked to the pressure sensor
- Sensor removed for servicing and old seals damaged
Before you order
- Match this part number against the seal kit fitted to your boiler
- Isolate the water supply before removing the sensor
- Fitting should be carried out or checked by a Gas Safe registered engineer
Compliance
| GC number | 343-609 |
|---|---|
| Alternative numbers | SEAL-KIT-770-DIFF-PRESS-SENSOR-240280, 1250825 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA 240 | 47-532-04 | 47-532-04 | — | — |
| ALPHA 240 ECO | 47-532-05 | 47-532-05 | — | — |
| ALPHA 240E | 47-532-06 | 47-532-06 | — | — |
| ALPHA 240E (LPG) | — | — | — | |
| ALPHA 240P | 47-532-09 | 47-532-09 | — | — |
| ALPHA 240X | 47-532-13 | 47-532-13 | — | — |
| ALPHA 240XE | 47-532-11 | 47-532-11 | — | — |
| ALPHA 240XP | 47-532-10 | 47-532-10 | — | — |
| ALPHA 280E | 47-532-08 | 47-532-08 | — | — |
| ALPHA 280E (LPG) | — | — | — |
Showing 10 of 20 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 — 240 (GC 47-532-04), 240E (GC 47-532-06), 240E (LPG), 240P (GC 47-532-09), 280E (GC 47-532-08), 280E (LPG), 280P (GC 47-532-12)
manualmanualALPHA appliance manual — 240 ECO (GC 47-532-05)
manualmanualALPHA appliance manual — 240X (GC 47-532-13)
manualmanualALPHA appliance manual — 240XE (GC 47-532-11), 240XP (GC 47-532-10)
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