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. Follow this rule:
Starting from the Power Unit, wherever a Residential Stair Mat leads to a Residential Walkway Mat you will need a 20 Inch Cable Extender.
The 20-Inch Watertight Cable Extender can be used with Residential Walkway Mats, Residential Stair Mats, and Industrial Stair Mats. The cable extender is not compatible with Industrial Walkway Mats. Multiple cable extenders can be connected together to create custom length cables. The 20-Inch Cable Extender and 25-Foot Cable Extender can also be connected together.
Length of Cable Extender: 20 Inches
Cable Gauge: 14/3 SJTW
This Watertight Cable Extender - 20 Inch works with the following products ONLY: