Vaillant
Vaillant Siphon Gasket Seal 981332
Vaillant 981332 siphon gasket seal for Ecotec PLUS and Ecomax PRO VU gas boilers.
At a glance
- Part type: siphon gasket seal
- Also known as 1378788
£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 981332 is a siphon gasket seal used in Vaillant gas boilers. It sits at the condensate siphon connection, sealing the joint to prevent condensate escaping. It is a service part for the Ecotec PLUS and Ecomax PRO VU ranges.
Signs this part needs replacing
- Water or condensate weeping from the siphon joint
- Gasket visibly cracked, hardened or flattened
- Damp staining or corrosion around the siphon housing
- Persistent condensate smell near the boiler casing
- Gasket no longer seating correctly after the siphon is disturbed
Before you order
- Confirm your boiler model against the fit list above
- Check the GC number on the appliance data badge
- Inspect the siphon housing and mating face for damage before refitting
- Isolate and drain the boiler as required before starting work
Compliance
| Barcode / EAN | 4024074432372 |
|---|---|
| Alternative numbers | 1378788 |
| 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)
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.