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.

• • Heavy-duty retraction spring – strongest spring in the industry for positive retraction in all soil conditions
• • Multi-stream technology provides outstanding coverage eliminating brown spots
• • Reduce water usage up to 30% without sacrificing turf quality
• • Use rotary nozzle with any spray body that accepts a female thread nozzle
• • Color-coded rotary nozzles make it easy to identify distance
• • 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