The MRDC (mini regulator-drain check) combines the features of the MR (mini regulator) with those of the MDC (mini drain check). Eliminate sprinkler drizzle during system start up and shut down. Reduces a high inlet pressure to a constant outlet pressure. Ideal for use with 1/2″ Acme threaded Rotator Sprinklers, especially the R2000WF. 0.15-5 gpm (34-1135 lph)
