K Rain - P3004770 - Solenoid Adapter for Rain Bird Valves, Pack of 5 Finish_Black K-Rain lists the 2120 for

K-Rain lists the 2120 for compatible motor loads up to 2 horsepower

Brand: K-Rain    SKU: 3205

and serviceable commercial-style construction

The rotor can physically operate with suitable irrigation water

K Rain - P3004770 - Solenoid Adapter for Rain Bird Valves, Pack of 5 Finish_Black K-Rain lists the 2120 forBrand: K Rain SKU: P3004770 Product Overview The K Rain P3004770 is a five pack of Rain Bird valve adapters for installing compatible K Rain 24 VAC or 9V DC solenoids on approved Rain Bird irrigation valves. The adapter changes the mechanical connection between the K Rain coil and the valve's solenoid port; it does not change the solenoid voltage, controller output, or valve hydraulics. This service pack contains five Rain Bird adapters only.