F4240750 - 3/4" AquaPEX White - Red Print - 100-ft CoilUponor F4240750 3 4" AquaPEX White Red Print 100 ft Coil Uponor AquaPEX white tubing with red print is an Engel method, PEX a pipe designed for hot potable water distribution systems, but can also be used in radiant heating and cooling systems containing no ferrous corrodible components or where ferrous components are isolated from the tubing Note: Temperature and pressure ratings stated are hydrostatic ratings. For domestic hot water (DHW) and DHW