Vaillant
Vaillant Pressure Relief Valve 0020083528
Vaillant pressure relief valve, part number 0020083528, for Ecotec PLUS VU gas boilers.
At a glance
- Also known as 1383102
£44.09
£36.74 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 0020083528 is a pressure relief valve used on Vaillant Ecotec PLUS VU gas boilers. It forms part of the boiler's pressure relief and safety valve group, opening to discharge excess system pressure and protect the appliance and heating circuit. It is listed under gas boiler spares for the Ecotec PLUS range.
Signs this part needs replacing
- Water continually dripping or running from the pressure relief discharge pipe when the system is cold
- System pressure rising above the normal cold fill level, or repeatedly climbing after topping up
- The valve weeping or passing at the outlet with no demand on the boiler
- Pressure dropping after the valve has discharged and failed to reseat
- Scale or debris visible at the valve seat, preventing it from sealing
Before you order
- Confirm your boiler model against the fitment list above before ordering
- Check the part number on the existing valve matches 0020083528
- Inspect the discharge pipework and system pressure gauge to confirm the fault lies with the valve
- Verify the appliance is a Vaillant Ecotec PLUS VU model from the ranges listed
Compliance
| Barcode / EAN | 4024074580028 |
|---|---|
| Alternative numbers | 1383102 |
| 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 286 | 41-044-55 | 41-044-55 | — | — |
| VAILLANT VU 386 | 41-044-57 | 41-044-57 | — | — |
| VAILLANT VU GB 156/2-0H | 41-044-53 | 41-044-53 | — | — |
| VAILLANT VU GB 186/2-0H | 41-044 54 | 41-044 54 | — | — |
Showing 10 of 20 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.
No 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.