• Non-manifold mount; AC valve • 1/8" orifice; 1/8" FPT ports • 120 VAC 50/60 Hz, FWR, 10W • Mounts on chassis; Full Wave Rectified (FWR) • Fits: Older style units • Model(s) This Part Fits: M9D Serial# FF1000-Present & FG1000-present; and, M11D Serial #GC1000-present & GD1000-present