All SUPCO® Drain and Door Heaters are designed for continuous use to protect drains from ice build up. All of these heaters cannot be cut, spliced, extended or altered in any way.



  • Heater tip 7/16" diameter
  • Durable metal braid
  • Cannot be cut, spliced, extended, or altered in any way
  • Silicone construction
  • These heaters are water resistant only, not water proof.
  • These heaters can get wet, but they cannot sit in water for any period of time.




Leads: 18"
Size: 13"
Watts: 15W
Volts: 120V

SH502 Drain Defrost Heater 18" 120V