Polarvalve - Freeze Protection Valve for Outdoor Faucet in the Winter Using Thermo Actuator of Shape memory Alloys(TiNi alloy) - PT 1/2 inch valve for outdoor faucet - Saving water rates by reasonably minimum Discharge Water

"Shape memory alloys" actuator sense the atmospheric temperature, allows water can be discharged from faucet and be circulated in the pipeline at 32 ºF ( 0 ºC), automatically. The polar valve guarantees to protect your outdoor water faucet/pipeline from freezing up to -5 ºF (-20 ºC).

Freeze Protection / Temperature-based automatic water discharge control / Semi-permanent durability / US Patented / Whenever you want, you can use water anytime