Inta anti-freeze valve with brass body helps stop freezing in a monobloc air source heat pump primary water circuit.

Features:
◦ Vacuum breaker
◦ Wax element placed into the water flow
◦ Surface treatment to reduce friction
◦ Protective ring to prevent dirt in the plumbing system from settling into the cartridge
◦ Safety double O-rings
◦ Chamfered edge to prevent freezing

Note: Install in a vertical position outdoors with the outlet facing downwards. The valve must be protected from rain, snow and direct sunlight. For the device to work properly, keep the system under pressure at all times, even when the valve is draining.
Opening temp.: 3°C.
Closing temp.: 4°C.