FEATURES: * Piston Style Valve Operator Only * Material: Viton seat; MANIFOLD MOUNT * 120 VAC 50/60Hz. FWR; 14W * Need Repair Kit? RPI Part #RCK113 * Need Coil? RPI Part #RCC114 * See Serial # breakdown below. FITS: Manifold Block Assembly newer style units MODEL(S) THIS PART FITS: M11, M11D, M9, M9D NOTES: ALSO INCLUDED IN: * Fill/Vent Valve Assembly RPI Part #MIA137 ALSO AVAILABLE: * Solenoid Valve (Vent) RPI Part #MIV139 * Manifold Block Assembly RPI Part #MIA096 * Spanner Nut(RPI Part # ILS014) * Double Ended Wrench(RPI Part # RPT501) * Fits M9-020 thru -022 with Serial # prefixes RN, RP, RR & V. * Fits M9D-020 thru -022 with Serial # prefixes RW, RX & V. * Fits M11-020 thru -022 with Serial # prefixes RS, RT, RV & V. * Fits M11D-020 thru -022 with Serial # prefixes RY, RZ & V.