Image Image Gallery Image Previous Next Insulator strip for Heat Sealers Part # 1918 Replacement Insulator Strip on the 120v and 220v Heat Sealers (Part #:: HS, HSi). This is adhesive-backed and positioned beneath the heating element. For an installation diagram, refer to the Heat Sealer Operation Manual. Price $14.00 Quantity Add to cart Product Documents Document Heat Sealer Operation Manual