The Cimberio CIM 138 Antifreeze Valve is engineered to protect heat pump systems from freeze damage. When the circulating fluid’s temperature drops close to freezing (around 3 °C), this valve automatically opens to drain a small amount of fluid, preventing freeze-induced pipe bursts.
Ideal for installations in cold climates, it ensures operational reliability and helps avoid costly repairs.
Non-returnable
€107,42 €107,43
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Product Details
Specifications Table – Cimberio CIM 138
Specification
Details
Model / Type
CIM 138 Antifreeze Valve
Primary Function
Detect and open to release fluid when temperature ≤ 3 °C
Opening Temperature
~3 °C
Closing Temperature
~4 °C
Temperature Accuracy
±1 °C
Max Static Working Pressure
10 bar
Fluid Temperature Range
0 °C to 65 °C
Ambient Temperature Range
–30 °C to +60 °C
Medium Type
Water
Body Material
Brass (EN 12165 CW617-DW)
Sealing (O-rings)
EPDM Peroxide-cured
Thread Standard
ISO 228 (G)
Installation Orientation
Vertical, with outlet facing downward
Recommended Install Locations
Outdoors on both flow and return lines, away from heat sources
Standards / Notes
Prevents freeze when system is pressurized; avoid trap-style connections
Typical Sizes
G ¾″, 1″, 1¼″, 1½″
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