Frost protection valve Easyflow 791, DN25 (1") male thread

• For heating systems with monobloc heat pumps
• It protects the heat pump from freezing and allows the water to drain before it reaches freezing point.
• Outdoor installation required in the flow and return lines
• Opens at a medium temperature of +3°C and closes at a medium temperature of +4°C
• Installation only horizontally in the pipes with the outlet facing downwards.
• For heating operation only
• External thread: flat sealing

Technical data:

• Operating temperature range: 0–90°C
• Ambient air temperature: 30°C - 50°C
• Maximum operating pressure: 10 bar
• Housing material: Brass
• Drainage capacity:
• 6 l/min (at 0.5°C and 1 bar)
• 1.3 l/min (at 20°C and 0.05 bar)