"Efficient model water pump is ideal for small to medium RVs. Includes fuse. Dimensions L x W x H in. 9 x 4 5/8 x 4 7/8, Amps 6 1/2, Volts 12, Port Size in. 1/2, Self-Priming Yes, Flow GPH 204, Max. PSI 60. For small to medium RVs Motor speed adjusts to water needs 1/2in. FNPT port Positive shutoff at 75 to 85 PSI Pressure relief safety valve Capable of sustained low voltage operation"