Price per foot.Strap Types and Applications:Polyester Woven Strap – standard strap for typical installationsPolypropylene Seamless Strap – for use in windy areasStainless Steel Strap – for use in high wind areasPolypropylene seamless straps are used for fastening solar pool hetar panels to roof or rack. The hold-down straps are recommended especially in windy conditions. A typical solar panel roof kit should look like the diagram below when finished. It may vary based on the actual layout.The bottom strap is always located 12" above the bottom header. The remaining strap[s] are equally spaced between the bottom strap and the top header. On each row end the strap is threaded back through the inside slot of the Clip as show above. Before threading the strap back through, pull the strap to apply tension [approximately 2" to 6" elongation]. After the system is installed for several weeks or even months, the straps may need to be retensioned; this is due to expansion of the strap in warmer weather.Refer to the Vortex Install Manual for details on using Straps._______________________________________________________ HELP » Contact Customer Support• Toll-Free help line offering unit sizing support• Online e-mail technical and installation support_______________________________________________________ FREE SHIPPING! When purchased with a Solar Pool Heater System Kit.
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