Altecnic Caleffi ER-15MMSTWBL 15mm Black Straight TRV & LS Pack

The Altecnic ER-15MMSTWBL is a 15mm black straight twin pack comprising a thermostatic radiator valve (TRV) and matching lockshield valve. Designed for straight installations on 15mm pipework, it provides accurate room temperature control with a frost protection setting.

Key Features

• Black finish for modern radiator aesthetics
• Straight pattern for flow-to-radiator pipework
• Thermostatic head with 7°C frost setting
• Matching lockshield for balancing
• Suitable for conventional twin-pipe heating systems

Specifications

• Size: 15mm
• Temperature setting range: 7°C – 28°C
• Max working pressure: 10 bar
• Max differential pressure: 1 bar
• Frost protection setting: 7°C

Applications

Ideal for domestic central heating radiators requiring thermostatic control and isolation. Suitable for new installations or retrofits.

What’s in the box

1 x Thermostatic radiator valve (TRV), 1 x Lockshield valve.