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