Watkins Hot Spring Tiger River GFCI 20 Amp 115 Volts Breaker PN 70996 (no cord).Watkins developed a NEW model GFCI - this is the "black" GFCI in the pictures. This is the replacement for the old style (Grey) Watkins 20A GFCI Watkins Hot Spring Tiger River GFCI 20 Amp 115 Volts Breaker Watkins 20A GFCI.This is a OEM factory replacement part (part number 70996) A Class A GFCI, which is attached to the spa's power cord, protects 115 Vac spas.