Home / Electrical / Regulators & Rectifiers / Regulator / Rectifier Regulator / Rectifier$99.00 Regulator / Rectifier quantity Add to cart SKU: EL4300 Category: Regulators & Rectifiers Description Description WAPSI AERO – Single Phase No load required. 14 VDC output. Does not require a battery or load. It can be used to directly power Radios, GPS, Avionic etc. Optional when battery is used. Can be used with battery as a charging system. Aluminium case with Heat Sink. Requires 16 amp fuse on + side. Wiring: Red +, Black -, yellow wires to engine AC Output coils. Compatable with all Rotax 2 Stroke Engines. Detachable 4 wire plug included. Direct replacement for the KeyWest unit.