Vaillant
Vaillant 065131 DHW heat exchanger 190mm (12 plates)
At a glance
- Also known as VAILLANT065131C
- Fitting must be carried out by a Gas Safe registered engineer
£94.08
£78.40 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 065131 is a 190mm, 12-plate secondary heat exchanger used only in combi boilers, transferring heat between the primary heating circuit and the domestic hot water circuit to provide hot water on demand.
Signs this part needs replacing
- Fluctuating or reduced hot water temperature at the taps
- No hot water while central heating still functions normally
- Unusual noise (kettling) when hot water is drawn
- Scale-related restriction found on inspection
Before you order
- Confirm the exact VUW model and GC number/revision (R1–R3) of your boiler against the compatibility list
- Fitting must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | VAILLANT065131C |
|---|
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.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.