Griswold Controls 2230NER 3" Pressure Reducing Normally Closed Reclaimed Water Valve offers maximum performance combined with the reliability you have come to expect from Griswold Controls. The valve is intended for use in a wide variety of irrigation systems and can be used on slopes, banks, or hilly terrain with no performance loss, and is lightning-proof, making it the right choice for golf course irrigation. The 2230 is designed for use as a remote control master valve. The 2230_R can be used with Reclaimed Water.