Alpha
Alpha Inlet Fitting Seasonality Valve 1.023528
Inlet fitting for the seasonality valve on Alpha CD and InTEC LPG boilers, part number 1.023528.
At a glance
- Also known as INLET-FITTING-SEASONALITY-VLV, 1257887
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
Showing prices
£14.29
£11.91 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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 inlet fitting for the seasonality valve on Alpha gas boilers. It is listed under Alpha part number 1.023528 and is used across the CD and InTEC LPG ranges.
Signs this part needs replacing
- Gas leakage detected around the inlet fitting joint with leak detection fluid
- Visible corrosion, cracking or mechanical damage to the fitting body
- Damaged or worn threads preventing a gas-tight seal
- Staining or weeping around the fitting where it meets the valve
- Inability to hold correct inlet pressure at the valve
Before you order
- Confirm your boiler model and GC number against the fitment list above
- Check that your appliance is the LPG variant
- Verify the part number on the existing component before removal
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
Compliance
| Alternative numbers | INLET-FITTING-SEASONALITY-VLV, 1257887 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA CD28C EXTRA | — | — | — | |
| ALPHA ALPHA CD28C EXTRA LPG | — | — | — | |
| ALPHA ALPHA CD35C | — | — | — | |
| ALPHA ALPHA CD35C LPG | — | — | — | |
| ALPHA ALPHA INTEC 26C | — | — | — | |
| ALPHA ALPHA INTEC 26C LPG | — | — | — | |
| ALPHA ALPHA INTEC 30C | — | — | — | |
| ALPHA ALPHA INTEC 30C LPG | — | — | — | |
| ALPHA ALPHA INTEC 34C | — | — | — | |
| ALPHA ALPHA INTEC 34C LPG | — | — | — |
Showing 10 of 32 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 — CD25C (GC 47-532-31), CD25C (LPG) (GC 47-532-32), CD28C (GC 47-532-33), CD28C (LPG) (GC 47-532-34), CD28C EXTRA, CD28C EXTRA (LPG), CD35C (GC 47-532-35), CD35C (LPG) (GC 47-532-36)
manualmanualALPHA appliance manual — InTEC 26C (GC 47-532-47), InTEC 26C (LPG) (GC 47-532-54), InTEC 30C (GC 47-532-48), InTEC 30C (LPG) (GC 47-532-55), InTEC 34C (GC 47-532-49), InTEC 34C (LPG) (GC 47-532-56)
manualmanualALPHA appliance manual — InTEC 30C ErP (GC 47-532-48), InTEC 30C ErP (LPG) (GC 47-532-55), InTEC 34C ErP (GC 47-532-49), InTEC 34C ErP (LPG) (GC 47-532-56)
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