Alpha
Alpha Primary Heat Exchanger 6.5622181
Primary heat exchanger for the Alpha 500 E gas boiler, transferring heat from combustion gases to the heating circuit water.
At a glance
- Appliance family: Alpha 500 E
- Also known as HEAT-EXCHANGER-PRIMARY-500E, 1251112
£363.64
£303.03 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 primary heat exchanger is the main heat transfer component of the Alpha 500 E gas boiler. It takes heat from the combustion gases and passes it into the water circulating through the central heating circuit. This part is supplied by Alpha under part number 6.5622181.
Signs this part needs replacing
- Water leaking from the heat exchanger body, seals or connections
- Repeated loss of system pressure with no visible external leak elsewhere
- Overheating or lockout faults linked to restricted flow through the exchanger
- Kettling, banging or rumbling noises from the boiler during heating
- Visible scale, corrosion or debris build-up on the waterways
Before you order
- Confirm the boiler model and GC number against the appliance data badge
- Check the existing heat exchanger part number before ordering
- Inspect seals, washers and connections for condition, as these are not confirmed as included
- Isolate the gas, water and electrical supplies before any work
Compliance
| GC number | 343-781 |
|---|---|
| Alternative numbers | HEAT-EXCHANGER-PRIMARY-500E, 1251112 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA 500 E | 47-532-07 | 47-532-07 | — | — |
| ALPHA ALPHA 500 E | — | — | — |
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.
No technical questions yet for this part.
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