"This Flotec Thermoplastic Shallow Well Jet Pump provides good pressure pumping, perfect for shallow wells less than 25-ft. deep. Thermoplastic construction gives high corrosion resistance. Comes with prewired 30/50 pressure switch. Max. Suction Lift ft. 25, HP 3/4, Self-Priming Yes, after initial prime, Amps 12.2/6.1, Thermal Overload Protection Yes, Pump Housing Thermoplastic, Flow GPH 720, Max. Total Head ft. 181, Suction Port in. 1 1/4, Dimensions L x W x H in. 22 13/16 x 11 1/16 x 10 1/2, Max. PSI 78, Discharge Port in. 1, Volts 230/115. Perfect for shallow wells less than 25-ft. deep Thermoplastic construction gives high corrosion resistance Comes with prewired 30/50 pressure switch Heavy-duty dual-voltage motor Self-priming after pump housing is initially filled"
Do I need to install a pressure relief valve to keep my tank and PVC piping from exploding in case the pressure switch fails and does not shut the pump off, or does the pump not create that much pressure?