Alpha
Alpha Seasonality Valve Seal 1.016125
Seasonality valve seal for Alpha gas boilers, listed as O-ring 17.12 x 2.62.
At a glance
- Also known as O-RING-1712X262, 1258435
£7.03
£5.86 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
Alpha 1.016125 is a seasonality valve seal for Alpha gas boilers. It is listed as an O-ring 17.12 x 2.62 and is used across Alpha InTEC and Commercial PRO TEC/Protec appliance families. The seal sits in the seasonality valve assembly to prevent water leaks.
Signs this part needs replacing
- Water or staining around the seasonality valve
- Visible cracking, flattening or swelling of the seal
- Persistent drips from the valve assembly
- Boiler pressure loss requiring frequent topping up
- Scale or debris on the seal seating face
Before you order
- Confirm your appliance model and GC number against the fitment list.
- Check the existing seal is marked 1.016125 or measures 17.12 x 2.62.
- Inspect the seasonality valve seating for damage or debris before fitting.
- Confirm the valve assembly is otherwise serviceable.
Compliance
| Alternative numbers | O-RING-1712X262, 1258435 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA ALPHA INTEC 26C | — | — | — | |
| ALPHA ALPHA INTEC 26C LPG | — | — | — | |
| ALPHA ALPHA INTEC 30C | — | — | — | |
| ALPHA ALPHA INTEC 30C LPG | — | — | — | |
| ALPHA ALPHA INTEC 30GS | — | — | — | |
| ALPHA ALPHA INTEC 30GS LPG | — | — | — | |
| ALPHA ALPHA INTEC 34C | — | — | — | |
| ALPHA ALPHA INTEC 34C LPG | — | — | — | |
| ALPHA ALPHA INTEC 40GS | — | — | — | |
| ALPHA ALPHA INTEC 40GS LPG | — | — | — |
Showing 10 of 67 compatible appliances.
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.
ALPHA COMMERCIAL appliance manual — PRO TEC 115, PRO TEC 115 (LPG), PRO TEC 50, PRO TEC 50 (LPG), PRO TEC 70, PRO TEC 70 (LPG), PRO TEC 90, PRO TEC 90 (LPG)
manualmanualALPHA COMMERCIAL appliance manual — PRO TEC PLUS 100, PRO TEC PLUS 100 (LPG), PRO TEC PLUS 115 (GC 41-532-36), PRO TEC PLUS 115 (LPG), PRO TEC PLUS 50 (GC 41-532-30), PRO TEC PLUS 50 (LPG), PRO TEC PLUS 60, PRO TEC PLUS 60 (LPG), PRO TEC PLUS 70 (GC 41-532-32), PRO TEC PLUS 70 (LPG), PRO TEC PLUS 75, PRO TEC PLUS 75 (LPG), PRO TEC PLUS 90 (GC 41-532-34), PRO TEC PLUS 90 (LPG)
manualmanualALPHA COMMERCIAL appliance manual — PROTEC 115NX, PROTEC 115NX LPG, PROTEC 90NX, PROTEC 90NX LPG
manualmanualALPHA COMMERCIAL appliance manual — PROTEC 48NX, PROTEC 48NX LPG, PROTEC 68NX, PROTEC 68NX LPG
manualmanualALPHA appliance manual — INTEC 40GS2
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)
manualmanualALPHA appliance manual — InTEC 30GS (GC 47-532-50), InTEC 30GS (LPG) (GC 47-532-57), InTEC 40GS (GC 47-532-51), InTEC 40GS (LPG) (GC 47-532-58)
manualmanualALPHA appliance manual — InTEC 30GS ErP (GC 47-532-50), InTEC 30GS ErP (LPG) (GC 47-532-57), InTEC 40GS ErP (GC 47-532-51), InTEC 40GS ErP (LPG) (GC 47-532-58)
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