The Caleffi 1.25″ 108 Series Anti-Freeze Valve 108701, the ideal solution for preventing ice formation and potential damage in your heat pump system. This valve is designed to allow the circuit medium to be drained when the temperature of the water in the pipes drops below 3°C. This is made possible by the obturator of the antifreeze valve, which opens and drains off the water, preventing the formation of ice and protecting your system.

The 108 Anti-Freeze valve is compatible with a variety of different fittings and pipes, all connected by a union, making installation quick and easy. Additionally, the valve features a replaceable vacuum breaker and thermostatic cartridge, ensuring that any worn parts can easily be replaced to keep your system running at its best.