
Refurbished
Vaillant combi boiler diverter valve, refurbished 252457
Refurbished genuine Vaillant diverter valve (252457) for Turbomax, aquaPLUS and Ecotec combi boilers, professionally reconditioned and tested.
At a glance
- Also known as 9500084
- Fitting and commissioning must be carried out by a Gas Safe registered engineer
£72.00
£60.00 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
A professionally refurbished Vaillant diverter valve, genuine part number 252457, sold by Hanicks under code N1581-1. It is a brass valve that switches boiler output between the central heating circuit and domestic hot water on demand.
Signs this part needs replacing
- Heating comes on when only hot water is drawn, or vice versa
- Hot water runs lukewarm at the tap while the heating circuit works normally
- Valve makes a buzzing or clicking noise when switching, or sticks in one position
- Leaking from the valve body or its seals
Before you order
- Match the part number on your existing valve against 252457
- Drain down and isolate the primary circuit and electrics before removal
- Fitting and commissioning must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 9500084 |
|---|
No fitment data held for this part.
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 documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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