Liquid resistant heating element

A heating element, comprising:

• i. at least two wires, one of the at least two wires is an electrically insulated resistive heating wire;
• ii. a flexible substrate that supports the electrically insulated resistive wire;
• iii. one or more electrical connections that join the at least two wires together,
• iv. a hollow cylindrical spacer that is received on one or more of the at least two wires via an opening in the hollow cylindrical spacer that receives and surrounds at least a portion of the one or more of the at least two wires, the hollow cylindrical spacer controlling spacing between the at least two wires by forming a gap between the at least two wires;
• v. a heat shrinkable sheath that includes at least one mass of hot melt adhesive within the heat shrinkable sheath;
• wherein a first wire of the at least two wires is passed through the opening of the hollow cylindrical spacer, the opening has a diameter about equal to an outer diameter of the first wire, and a second wire of the at least two wires is spaced away from the first wire by an outer diameter of the hollow cylindrical spacer;
• and
• wherein the at least two wires and the hollow cylindrical spacer are fully encapsulated in the heat shrinkable sheath and the at least one mass of hot melt adhesive when the heat shrinkable sheath is shrunken so that all portions of the hollow spacer are encapsulated and the one or more electrical connections are insulated from fluid penetration, and the at least one mass of hot melt adhesive extends into the gap between the at least two wires so that the at least one mass of hot melt adhesive fully encapsulates each of the at least two wires independently, eliminating voids in the at least one mass of hot melt adhesive between the at least two wires.