Type IDK solenoid coils are designed for use with current production (generation 4) V0, V1, V2, V3, V6, V10 and V12 rancho heat pump reversing valves. These color-coded, encapsulated, continuous duty, moisture resistant electro-magnetic coils are designed to operate the pilot valve that controls these reversing valves. Included with the solenoid coil is a W29 wiring harness with 48Leads. - manufacturer: ranch