Siemens
Siemens MTN51-GBL thermostatic radiator valve
An angled 10mm/15mm chrome-plated thermostatic radiator valve from Siemens, with liquid-filled sensor and frost protection.
At a glance
- Also known as 4190205
£65.54
£54.62 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 MTN51-GBL is a Siemens thermostatic radiator valve (TRV) with an angled, chrome-plated brass body and a liquid-filled thermostatic sensor, giving precise temperature control at the radiator.
Signs this part needs replacing
- Radiator stays cold or won't stop heating regardless of the dial setting
- Valve head feels loose or the sensor no longer responds to temperature change
- Leaking from the valve body or spindle
- Valve is seized or won't turn
Before you order
- Check your radiator valve body matches the 10mm/15mm connection size
- Confirm whether an angled or straight body is needed for your pipework
- Isolate the system before removing the old valve
Compliance
| Alternative numbers | 4190205 |
|---|
No fitment data held for this part.
Documents & drawings
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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