Truma safety and drain valve 10 mm for flexible hoses, 2.8 bar - for Truma Boiler 3 and electric boiler
- Manual Truma safety and drain valve, 2.8 bar, 10 mm for flexible hoses. Protects the boiler against overpressure and lets you drain it before frost. For Truma Boiler 3 and electric boiler.
The Truma safety and drain valve is fitted in the cold water supply of the boiler. When the system pressure exceeds 2.8 bar, for example as the water heats up, the valve releases the excess. The yellow lever can be operated by hand to drain the boiler before winter or a longer stop. Version: 10 mm for flexible hoses.

Key information
- overpressure protection at 2.8 bar
- manual boiler draining with the yellow lever
- 10 mm for flexible hoses
- for Truma Boiler 3 and electric boiler
- genuine Truma part
Before you order
In winter, before parking in frost, drain the boiler and the water system to avoid damage from freezing water. Before ordering, compare the Truma part number with the part in your appliance. If you want the boiler to drain by itself in frost, Truma offers the FrostControl instead of this valve.
Photos

Related products
- Truma safety and drain valve JG 12 mm
- Truma FrostControl kit 10 mm for hoses
- Truma FrostControl 10 mm with angled connections
Technical data
| Parameter | Value |
|---|---|
| Manufacturer | Truma |
| Opening pressure | 2,8 bar |
| Connection | 10 mm for flexible hoses |
| Lever colour | yellow |
| Fits | Truma Boiler 3, electric boiler |
| Net weight | 63 g |
| Truma part number | 70141-02 |
Questions and answers
At what pressure does the valve open?
At 2.8 bar.
Will the valve drain the boiler by itself in frost?
No, it is a manual valve. Automatic draining in frost is provided by the Truma FrostControl.
Which lines does it fit?
10 mm for flexible hoses.
Manufacturer
Truma Gerätetechnik GmbH & Co. KG, Wernher-von-Braun-Straße 12, 85640 Putzbrunn, Germany.








