About the K-Rain P1101521 Replacement Relay for Model 1521
This K-Rain P1101521 Relay for Model 1521 is a high-quality replacement part made by K-Rain. K-Rain has been exceeding expectations in the field for over 40 years, founded by Carl Kah back in the 1970s, K-Rain began by designing sprinkler systems that were ideal for golf courses. Carl, a retired rocket scientist, knew that he could apply his knowledge of engineering to the sprinkler industry to produce sprinkler systems that were effective and environmentally efficient.