Alpha
Alpha Primary Heat Exchanger 1.015389
Primary heat exchanger for Alpha CB28 and CB28X LPG gas boilers, transferring heat from combustion gases to the water circuit.
At a glance
- Also known as MAIN-HEAT-EXCHANGER, PRIMARY-HEAT-EXCH-CB28CB28X, 1250094
£351.56
£292.97 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 1.015389 is a primary heat exchanger for Alpha CB28 and CB28X LPG gas boilers. It transfers heat from the burner's combustion gases into the boiler's water circuit, making it the main heat transfer component in the appliance.
Signs this part needs replacing
- Water leaking from the heat exchanger body or its connections
- Repeated pressure loss in the heating circuit with no visible external leak
- Kettling, banging or gurgling noises during operation
- Reduced heating or hot water performance
- Discolouration, soot or corrosion on the heat exchanger surfaces
Before you order
- Confirm your boiler is a CB28 or CB28X and that it is the LPG variant
- Check part number 1.015389 against the manufacturer's parts list for your appliance
- Inspect associated seals, gaskets and connections before fitting
- Isolate the gas, water and electrical supplies and drain the boiler before work begins
Compliance
| Alternative numbers | MAIN-HEAT-EXCHANGER, PRIMARY-HEAT-EXCH-CB28CB28X, 1250094 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CB28 | — | — | — | |
| ALPHA ALPHA CB28X | — | — | — | |
| ALPHA CB28 | 47-532-16 | 47-532-16 | — | — |
| ALPHA CB28 (LPG) | — | — | — | |
| ALPHA CB28X | 47-532-17 | 47-532-17 | — | — |
| ALPHA CB28X (LPG) | — | — | — |
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.
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