Heater tip has a diameter of 7/16 of an inch. The durable metal braid and silicone construction should not be cut, spliced, extended, or altered in any way. This heater is water resistant only, not water proof. It can get wet, but cannot sit in water for any period of time. 120V | 15W | Size: 13 Inches | Leads: 18 Inches | Designed for continuous use to protect drains from ice build-up | Commercial and domestic refrigeration It is important to disconnect your appliance from the power supply before servicing. Supplying Demand replacement parts are compatible with Major Brands, but you should always verify fitment with your specific application. SD products come in Supplying Demand packaging. ***Colors/materials may vary for this item. Please reach out to us with any questions regarding this part or before initiating a return. We are here to help!