Easyflow 791 frost protection valve, DN40 (1 1/2") AG

- For heating systems with monobloc heat pumps
- Protects the heat pump from freezing and drains the water before it freezes
- Installation required outdoors in the supply and return flow pipe
- Opens at a medium temperature of +3°C and closes at a medium temperature of +4°C
- Installation only horizontally in the pipework with the outlet pointing downwards
- Only for heating operation
- External thread: flat sealing
Technical data:
- Operating temperature range: 0 - 90°C
- Ambient air temperature: -30°C - 50°C
- Max. operating pressure: 10 bar
- Housing material: Brass
- Discharge capacity:
- 6 l/min (at 0.5°C and 1 bar)
- 1.3 l/min (at -20°C and 0.05 bar)