Vaillant
Vaillant O-Ring (18X3) 981324
Vaillant O-ring seal, 18 x 3 mm, part 981324, for Ecotec PLUS and VU series gas boilers.
At a glance
- Also known as 1378776
- Any work on gas-carrying joints must be carried out by a Gas Safe registered engineer
£9.60
£8.00 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 Vaillant O-ring (18 x 3 mm), part number 981324, is a sealing component for Vaillant gas boilers. It provides a fluid-tight seal at a joint within the appliance. It is listed in the O-rings, washers and gaskets category of the gas boiler spares range.
Signs this part needs replacing
- Water weeping or dripping from the joint the O-ring seals
- The ring is visibly cracked, flattened or hardened
- Tide marks, scale or corrosion around the sealing face
- System pressure drops and does not hold after topping up
- A gas leak is detected at the joint — isolate and call a Gas Safe registered engineer
Before you order
- Confirm your appliance model and GC number against the fit list above
- Check the O-ring dimensions (18 x 3 mm) match the one removed
- Inspect the sealing face and joint for damage before fitting
- Any work on gas-carrying joints must be carried out by a Gas Safe registered engineer
Compliance
| Barcode / EAN | 4024074432297 |
|---|---|
| Alternative numbers | 1378776 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC PLUS 415 VU GB 156-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 418 VU GB 186-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 428 VU GB 286-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 438 VU GB 386-2-0H | — | — | — | |
| VAILLANT VU 156 | 41-044-53 | 41-044-53 | — | — |
| VAILLANT VU 186 | 41-044-54 | 41-044-54 | — | — |
| VAILLANT VU 186-O | 41-044-30 | 41-044-30 | — | — |
| VAILLANT VU 286 | 41-044-55 | 41-044-55 | — | — |
| VAILLANT VU 286-O | 41-044-31 | 41-044-31 | — | — |
| VAILLANT VU 386 | 41-044-57 | 41-044-57 | — | — |
Showing 10 of 24 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.
VAILLANT appliance manual — VU 156 (GC 41-044-53), VU 186 (GC 41-044-54), VU 286 (GC 41-044-55), VU 286-O (GC 41-044-31), VU 386 (GC 41-044-57), ecoTEC PLUS 415 VU 156 (2006) (GC 41-044-53), ecoTEC PLUS 418 VU 186 (2006) (GC 41-044-54), ecoTEC PLUS 428 VU 286 (2006) (GC 41-044-55), ecoTEC PLUS 438 VU 386 (2006) (GC 41-044-57)
manualmanualVAILLANT appliance manual — VU 186-O (GC 41-044-30), ecoMAX PRO 18E VU 186-0 (2003-2006) (GC 41-044-30), ecoMAX PRO 28E VU 286-0 (2003-2006) (GC 41-044-31)
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