The antifreeze switch uses the thermal expansion and contraction of the refrigerant in the capillary tube to protect the air condition- ing system coil or the waterway of the heating system from frost, and has an automatic reset function without manual reset. The protective coating has a better protective effect on the copper capillary, ensuring long-term stability, simple SPDT output, stable and error-free, and can quickly and accurately adjust the tempera- ture range through the stainless steel dial, with a setting range of 1 °C to 7 °C.
The antifreeze switch uses the thermal expansion and contraction of the refrigerant in the capillary tube to protec
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