Resources Downloads Download the following resources to answer specific product questions or improve design efficiencies. Python Product BrochurePython Line Sets Spec SheetPython Insulation Spec SheetPython Installation Guide Listings ASTM F3506-21 ICC PMG-1675 TECH BULLETINS Direct Burial Max Temp UL Tests WARNING: This product can expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov