Watkins Spa Bridge Wave Rectifier 10489. This rectifier changes source alternating current (AC) voltage to direct current (DC) voltage to supply DC voltage to the control box relays. This rectifier was used on the 1990-1993 Hot Spring Classic, Sovereign, Prodigy, Jetsetter, Highlife and Grandee, 1994 Tiger River Khyber and the 1993-1994 Hot Spot Z model.
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