Alpha
Alpha Washer Flange 1.013436
Flange washer for Alpha gas boilers, manufacturer part 1.013436.
At a glance
- Also known as FLANGE-WASHER-ANLSNGPNTS, 1250071
£2.99
£2.49 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 Alpha 1.013436 is a flange washer used on Alpha gas boilers. It sits at a flanged joint to create a watertight seal and prevent leaks. This washer is classified as a gas boiler spare in the O-rings, washers and gaskets category.
Signs this part needs replacing
- Water weeping or dripping from the flanged joint.
- Visible water staining, scale or corrosion around the washer.
- The washer has hardened, flattened or distorted.
- Leaks appear or worsen after the joint has been disturbed.
Before you order
- Confirm the boiler model against the fit list above.
- Check the part number on the existing washer or in the boiler documentation.
- Inspect the flange faces and fasteners for damage before refitting.
- Verify whether your appliance is the LPG variant where listed.
Compliance
| Alternative numbers | FLANGE-WASHER-ANLSNGPNTS, 1013436, 1250071 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| ALPHA E-TEC 15R | 41-532-49 | 41-532-49 | — | — |
| ALPHA E-TEC 15R (LPG) | — | — | — | |
| ALPHA E-TEC 20R | 41-532-50 | 41-532-50 | — | — |
| ALPHA E-TEC 20R (LPG) | — | — | — | |
| ALPHA E-TEC 25R | 41-532-51 | 41-532-51 | — | — |
| ALPHA E-TEC 25R (LPG) | — | — | — | |
| ALPHA HE CB25 | 47-532-25 | 47-532-25 | — | — |
| ALPHA HE CB25 (LPG) | 47-532-27 | 47-532-27 | — | — |
| ALPHA HE CB33 | 47-532-26 | 47-532-26 | — | — |
| ALPHA HE CB33 (LPG) | 47-532-44 | 47-532-44 | — | — |
Showing 10 of 16 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 appliance manual — E-TEC 15R (GC 41-532-49), E-TEC 15R (LPG), E-TEC 20R (GC 41-532-50), E-TEC 20R (LPG), E-TEC 25R (GC 41-532-51), E-TEC 25R (LPG)
manualmanualALPHA appliance manual — HE CB25 (GC 47-532-25), HE CB25 (LPG) (GC 47-532-27), HE CB33 (GC 47-532-26), HE CB33 (LPG) (GC 47-532-44), HE SY25 (GC 41-532-07), HE SY25 (LPG) (GC 41-532-12)
manualmanualALPHA appliance manual — HE25 (GC 47-532-41), HE25 (LPG) (GC 47-532-42), HE33 (GC 47-532-43), HE33 (LPG) (GC 47-532-44)
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