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Phone Activated Remote Temperature Sensor



  • Fast and easy installation
  • Check your home's heating system, by phone!
  • Simply plug into your existing modular phone jack
  • Allows you to use your phone while Freeze-Alert is operating.
  • Call anytime to see if your heat is working.
  • Simple fool-proof design gives long lasting service.
  • Easy to install secondary jack convenient.
  • Unit is set to operate at approximately 44 degrees Farenheit.

Now a simple call home helps prevent plumbing freeze-ups! While you're away Freeze-Alert stands guard in your home. Just call home, if your phone rings, your heat is on. If you get a persistent busy signal, the Freeze-Alert has sensed a significant temperature drop in your home.



Item # C138-4M......$69

freeze alert