Alpha
Alpha primary heat exchanger 1.031449
Genuine Alpha primary heat exchanger for the CD/InTech 28S system and InTech 34C/40GS combi boiler range.
At a glance
- Also known as 1258635
- Have a Gas Safe registered engineer carry out installation
Showing prices
£435.06
£362.55 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
Genuine Alpha primary heat exchanger, which transfers heat from the burner into the boiler's water circuit.
Signs this part needs replacing
- Reduced hot water temperature or inconsistent heat output
- Boiler locks out on an overheat or high-limit fault
- Visible scale, corrosion or leaks on the exchanger
- Increased kettling noise from the boiler during heating
Before you order
- Match part number 1.031449 printed on your existing heat exchanger
- Isolate the electrical, gas and water supplies before removal
- Have a Gas Safe registered engineer carry out installation
Compliance
| Alternative numbers | HEAT-EXCHANGER-PRIMARY, PRI-HEAT-EX-INTEC---34C-28S, 1258635 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA INTEC 28S | — | — | — | |
| ALPHA ALPHA INTEC 28S LPG | — | — | — | |
| ALPHA ALPHA INTEC 34C | — | — | — | |
| ALPHA ALPHA INTEC 34C LPG | — | — | — | |
| ALPHA ALPHA INTEC 40GS | — | — | — | |
| ALPHA ALPHA InTEC 34C ErP | — | — | — | |
| ALPHA ALPHA InTEC 34C ErP (LPG) | — | — | — | |
| ALPHA ALPHA InTEC 40GS ErP | — | — | — | |
| ALPHA ALPHA InTEC 40GS ErP (LPG) | — | — | — | |
| ALPHA CD28S | 41-532-20 | 41-532-20 | — | — |
Showing 10 of 22 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 — CD28S (GC 41-532-20), CD28S (LPG) (GC 41-532-21)
manualmanualALPHA appliance manual — INTEC 40GS2
manualmanualALPHA appliance manual — InTEC 28S (GC 41-532-24), InTEC 28S (LPG) (GC 41-532-27)
manualmanualALPHA appliance manual — InTEC 34C (GC 47-532-49), InTEC 34C (LPG) (GC 47-532-56)
manualmanualALPHA appliance manual — InTEC 34C ErP (GC 47-532-49), InTEC 34C ErP (LPG) (GC 47-532-56)
manualmanualALPHA appliance manual — InTEC 40GS (GC 47-532-51), InTEC 40GS (LPG) (GC 47-532-58)
manualmanualALPHA appliance manual — InTEC 40GS ErP (GC 47-532-51), InTEC 40GS ErP (LPG) (GC 47-532-58)
manualNo technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.