In 1970 Carl Kah invented and patented the Modulated Pressure Control. This allowed for the control of the entire irrigation system of a golf course without wires or tubes. The patent was later sold to a manufacturer of golf course irrigation systems. That patent sale was the catalyst to founding K Rain Manufacturing in 1974. • In-stem pressure regulator factory preset at 30 psi • 1/2 in. female thread inlet • Adjustable female thread nozzle adjusts from 0 – 360 degrees • Co-molded wiper seal-ensures a leak-free, full pop up operation, even under low pressure situations, cartridge design allows for easy removal and cleaning • Treated with UV inhibitors for long life, seal is microbe resistant to reduce degradation and stick-ups • Ratcheting riser-permits quick, easy alignment of spray pattern
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