The WSM (Warmup Snow Melting cable) or WSMM (Warmup Snow Melting Mat) is commonly used in concrete pours, asphalt driveways and paved walkways. Learn important cable rating information here.
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Wiring
We hope that the below clip will assist in wiring your 4iE thermostat. For wiring diagrams please see the product literature. Check out the technical specification sheet here for more information. Related questions: Initial 4iE Programming How Long will my System Take to Heat Up?
All non-jacketed self‑regulating cable must be powered by a 120 V supply line.
Are you planning an outdoor heating project? Learn more about GFEP protection in different Warmup outdoor snow melting controls here.
Are you looking for gauge recommendations for a Warmup installation? Find the information you need here to help guide you to the right decision.
If you have a large outdoor snow melting project you may be wondering what the largest size breaker you can use is. Read more here.
It is important to test underfloor heating cables before, during, and after installation with the proper equipment. Read on here for our recommendations.
Click “Read More” for detailed wiring instructions for version 2.
In order to properly mount your 4iE thermostat, you will need a back-box as well as a mud-ring. Warmup can recommend compatible items.
We have provided helpful reminders to ensure a successful installation. Click “Read More” for details.