Altecnic Caleffi iStop 1 1/4″ Anti-Freeze Valve – 108701

Altecnic Caleffi 1 1/4″ Anti-Freeze Valve – 108701

The Altecnic Caleffi Anti-Freeze Valve allows the circuit medium to be drained when the temperature reaches an average of 3˚C. This prevents ice forming in the circuit of a system, generally with a heat pump, avoiding potential damage to equipment, valves and pipework.

The valves are suitable for a variety of fittings and pipes connected by a union.

Product Specifications

• Max. working pressure: 10 bar
• Working temperature range: 0 to 65˚C
• Ambient temperature range: -30 to 60˚C
• Medium temperature – opening: 3˚C
• Medium temperature – closing: 4˚C
• Accuracy: ±1˚C
• Connection – compression: BS EN 1254
• Connection threads: BS EN ISO 228-1

Click here for Altecnic Anti-Freeze Valve product specification