Brand New Smith & Gates Electric Heating Tape with Thermostat 12ft - Don't let your pipes freeze Smith-Gates 12 foot Automatic Heating Tape w Thermostat Prevents Freezing - 12 foot coverage. Follow instructions Turns on automatically when temperatures reach 38°. Better to spend $20 on heat tape than have burst pipes & spend hundreds...even thousands on repairs. You know what this is. Frozen pipes are bad. This prevents it.