Spacing Calculated Using DrexMat Membrane At 3 slots Combine the highest comfort levels with maximum energy efficiency. It’s a proven technology that's safe, reliable and energy efficient. CSA approved for the following membrane DrexMat, Laticrete, Warmup, Ditra-Heat, Prodeso,Mapei and Nuheat Includes one floor sensor Single point connection Twin conductor cable Emits zero EMF (electromagnetic fields) Safety approved for wet locations Flexible installation Durable construction Lifetime Flexible Warranty SPACING CHART: Download INSTALL GUIDE: Download TEST LOG SHEET: Download WARRANTY: Download FULL CATALOG: Download