1、SELF PRIMING 9FT: Positive displacement diaphragm pump is capable of dry operation and can be used even if located above the tank 2、LOW NOISE: Pump working noise in 55‑60 decibels or so, fixed installation, lower noise, which will not bother your daily life 3、QUIET MOTOR: The diaphragm water pump use an all copper electric diaphragm with long service life and quiet, leak free operation, with replaceable pressure switch 4、DOUBLE PROTECTION: When the pressure increase, the seal pressure switch will automatically shut down the booster pump. Built in heat protector. If the motor overheat due to overload, the thermal overload protection automatically stop the motor and has an automatic restart function 5、WIDELY USED: Self priming pump is used in marine yachts, motorhomes, automobiles, household, common industry, agricultural spray, catering service, distillation equipment, boats and trucks