Alpha
Alpha Primary Heat Exchanger 1.024240
Primary heat exchanger for Alpha CD12S and InTEC 12S LPG boilers, transferring heat from combustion to the heating and hot water circuit.
At a glance
- Appliance family: CD12S and InTEC 12S
- Also known as 1258121
£386.58
£322.15 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 in an Alpha gas boiler, taking heat from the combustion gases and passing it to the water in the heating and domestic hot water circuit. This part is manufactured by Alpha and carries the part number 1.024240. It is used on the CD12S and InTEC 12S LPG appliance families.
Signs this part needs replacing
- Water leaking from the heat exchanger body, joints or connections
- Kettling, banging or rumbling noises from the boiler during operation
- Repeated pressure loss on the system with no visible external leak
- Discoloured or dirty system water suggesting internal corrosion of the exchanger
- Boiler failing to reach temperature or cutting out during heating or hot water demand
Before you order
- Confirm the boiler model and GC number against the appliance data badge
- Check that the appliance is the LPG variant, as this part is listed for LPG models
- Check whether any seals, gaskets or washers are required separately for the installation
- Compare the existing part number against 1.024240 before ordering
Compliance
| Alternative numbers | 1258121 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA CD12S | 41-532-16 | 41-532-16 | — | — |
| ALPHA CD12S (LPG) | 41-532-17 | 41-532-17 | — | — |
| ALPHA InTEC 12S | 41-532-22 | 41-532-22 | — | — |
| ALPHA InTEC 12S (LPG) | 41-532-25 | 41-532-25 | — | — |
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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