SharkBite 10' Red PEX Stick Pipe For Hot Water. This W Type B Burst Pex Pipe is rated 1,100 psi at 73 Degrees Fahrenheit, 375 psi at 180 Degrees Fahrenheit. It contains more anti-oxidants and thermal stabilizers, making it ideal for chlorine ratings and recirculation systems. Do not use duct tape, pipe dope, threading compound, mineral, or linseed oil. Support the pipe every 30" vertically and horizontally, protect it when entering or exiting slabs or walls, and avoid kinking or exposing it to sunlight. Minimum clearance to water heaters, boilers, wood burning appliances 18", recessed lights 12", gas appliance vents 6". NSF-61 FDA, CSA/ASTM, UPC Listed/Approved. Backed by a 25 Year Warranty.