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All HeatTrak Residential Mats connect with one another using their built-in watertight connectors. In some instances, you may need a 20-Inch Cable Extender to create longer cable connections between mats.
20″ HeatTrak Watertight Cable Extender are often required when your HeatTrak path turns a corner, or raise up a step. If you discover you need a 20″ extender after receiving your order we will ship you one for our cost. Contact us for help.