About the product
- The 21-Series Pumps are compact and designed for a wide range of applications including liquid transfer, spraying, circulation, filtration and dispensing
- The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute
- Built-in 35 PSI pressure switch for automatic stop/start
- Self-priming allows it to be mounted above tank; able to run dry
- 1.2 gallons per minute (4.2 liters per minute) Built-in thermal protector; 3/8-inch hose barb ports
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