Alpha
Alpha Seal Kit 780 Water Complete 6.1000780
Water complete seal kit 780 for the Alpha 500 E boiler, used in the diverter valve assembly.
At a glance
- Also known as 1258301
£58.44
£48.70 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 Seal Kit 780 Water Complete is a service kit for the water section of the diverter valve assembly on Alpha gas boilers. It is manufactured by Alpha and supplied under part number 6.1000780. The kit provides the sealing components required when the water-carrying side of the valve is stripped down for repair or refurbishment.
Signs this part needs replacing
- Water weeping or dripping from the diverter valve body or its joints
- Traces of scale, black oxide debris or hardened residue around the valve seals
- Loss of system pressure with no visible leak elsewhere on the appliance
- Poor or inconsistent switching between domestic hot water and central heating
- Seals visibly flattened, split or swollen when the valve is opened
Before you order
- Confirm the appliance is an Alpha 500 E and check the GC number against the boiler data badge
- Verify the part number 6.1000780 against the manufacturer's parts list for your model
- Inspect the diverter valve body and waterways for damage or heavy scale before fitting the kit
- Isolate the water and gas supplies and follow the manufacturer's instructions for the appliance
Compliance
| Alternative numbers | 1258301 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA 500 E | 47-532-07 | 47-532-07 | — | — |
| ALPHA ALPHA 500 E | — | — | — |
Documents & drawings
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