Alpha
Alpha primary heat exchanger 1.031447
Genuine Alpha primary heat exchanger for the InTec 24X, 26C and 30GS boilers, part number 1.031447.
At a glance
- Also known as 1258341
- Heat exchanger replacement should be carried out by a competent Gas Safe registered engineer
Showing prices
£416.45
£347.04 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Alpha primary heat exchanger transfers heat from the burner flame to the water in the boiler's primary circuit. It is a genuine Alpha part, number 1.031447.
Signs this part needs replacing
- Reduced heat output or the boiler locking out on a high-limit thermostat fault
- Sooting, scaling or blockage visible on the heat exchanger
- Water leaking from the heat exchanger body or its seals
Before you order
- This is a specialist repair; confirm the fault with a full diagnostic before ordering
- Isolate power, gas and water supplies before removing the heat exchanger
- Heat exchanger replacement should be carried out by a competent Gas Safe registered engineer
Compliance
| Alternative numbers | PRI-HEAT-EX---INT-26C24X18S-PRI-HEAT-EX---INT-26C24X18S, 1258341 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA ECO | — | — | — | |
| ALPHA ALPHA ECO BOILER | — | — | — | |
| ALPHA ALPHA INTEC 18S | — | — | — | |
| ALPHA ALPHA INTEC 18S LPG | — | — | — | |
| ALPHA ALPHA INTEC 24X | — | — | — | |
| ALPHA ALPHA INTEC 26C | — | — | — | |
| ALPHA ALPHA INTEC 26C LPG | — | — | — | |
| ALPHA ALPHA INTEC 30C | — | — | — | |
| ALPHA ALPHA INTEC 30GS LPG | — | — | — | |
| ALPHA ALPHA InTEC 30GS ErP | — | — | — |
Showing 10 of 25 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
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.
manual
ALPHA appliance manual — ALPHA ECO BOILER
manualmanualALPHA appliance manual — CD20S (GC 41-532-18), CD20S (LPG) (GC 41-532-19)
manualmanualALPHA appliance manual — CD25X (GC 47-532-39), CD25X (LPG) (GC 47-532-40)
manualmanualALPHA appliance manual — InTEC 18S (GC 41-532-23), InTEC 18S (LPG) (GC 41-532-26)
manualmanualALPHA appliance manual — InTEC 24X (GC 47-532-45), InTEC 24X (LPG) (GC 47-532-52), InTEC 26C (GC 47-532-47), InTEC 26C (LPG) (GC 47-532-54)
manualmanualALPHA appliance manual — InTEC 30GS (GC 47-532-50), InTEC 30GS (LPG) (GC 47-532-57)
manualmanualALPHA appliance manual — InTEC 30GS ErP (GC 47-532-50), InTEC 30GS ErP (LPG) (GC 47-532-57)
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