Vaillant
Vaillant Service Valve 0020237686
Vaillant service valve 0020237686 for Ecofit Pure and Ecofit Sustain VUW boilers.
At a glance
- Part type: service valve
- Also known as 1388390
£61.31
£51.09 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 0020237686 is a service valve used on Ecofit Pure and Ecofit Sustain VUW gas boilers. It forms part of the appliance's isolation arrangement, allowing the water circuit to be shut off for servicing and maintenance work. It is a manufacturer-supplied component for the Ecofit Pure and Ecofit Sustain ranges.
Signs this part needs replacing
- Visible weeping or dampness around the valve body or its connections
- Corrosion or scale build-up on the valve, spindle or union
- The valve will not turn, or turns without isolating the circuit
- Water tracking down the pipework from the valve during servicing
- A persistent drip from the spindle when the valve is operated
Before you order
- Confirm the boiler model and VUW variant against the fitment list above
- Check the existing valve's location and connection arrangement on the appliance
- Verify the part number 0020237686 matches the component being replaced
- Isolate and drain the appliance as required before any work begins
Compliance
| Alternative numbers | 1388390 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT ecoFIT PURE 825 - VUW 256/6-3 (2016) | 47-044-68 | 47-044-68 | — | — |
| VAILLANT ecoFIT PURE 830 - VUW 306/6-3 (2016) | 47-044-74 | 47-044-74 | — | — |
| VAILLANT ecoFIT PURE 835 - VUW 356/6-3 (2016) | 47-044-70 | 47-044-70 | — | — |
| VAILLANT ecoFIT SUSTAIN 825 - VUW 256/6-3 (2016) | 47-044-71 | 47-044-71 | — | — |
| VAILLANT ecoFIT SUSTAIN 830 - VUW 306/6-3 (2016) | 47-044-72 | 47-044-72 | — | — |
| VAILLANT ecoFIT SUSTAIN 835 - VUW 356/6-3 (2016) | 47-044-73 | 47-044-73 | — | — |
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 — ecoFIT PURE 825 - VUW 256/6-3 (2016) (GC 47-044-68), ecoFIT PURE 830 - VUW 306/6-3 (2016) (GC 47-044-74), ecoFIT PURE 835 - VUW 356/6-3 (2016) (GC 47-044-70)
manualmanualVAILLANT appliance manual — ecoFIT SUSTAIN 825 - VUW 256/6-3 (2016) (GC 47-044-71), ecoFIT SUSTAIN 830 - VUW 306/6-3 (2016) (GC 47-044-72), ecoFIT SUSTAIN 835 - VUW 356/6-3 (2016) (GC 47-044-73)
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