AMT 379L-95 Self-Priming Sprinkler/Booster Pump, 3 HP
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The AMT 379L-95 is a 3 HP self-priming sprinkler and booster pump built for irrigation systems and pressure boosting. It pairs a cast iron body with a 300 Series stainless steel closed impeller, a dual volute that cuts radial load on the motor, and a built-in check valve for fast re-priming. It runs on three-phase 230/460 V power with a totally enclosed fan-cooled motor, so it suits fixed installations with three-phase service rather than plug-in household use. Against smaller single-phase booster pumps it moves more water and holds pressure across many sprinkler heads, but it needs a proper starter and wiring.
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Lowest price we've seen: $896.67 on Nov 10 at KG Power Systems. Tracked across 1 store since Nov 10.
The AMT 379L-95 is a self-priming sprinkler/booster pump with a 3 HP, three-phase TEFC motor rated for 230/460 V. It has 1-1/2" NPT suction and discharge ports. It self-primes to 20 feet, and a built-in check valve helps it prime quickly once initial liquid is added to the pump.
The pump body is cast iron. The closed impeller is 300 Series investment cast stainless steel, which resists erosion from abrasive particles. The mechanical seal and O-ring are Buna-N, and the Type 21 mechanical seal handles a maximum working pressure of 150 PSI.
Single stage models use a dual volute design that reduces radial load on the motor. The cleanout design has a removable, replaceable dual volute/diffuser and a replaceable casing O-ring for servicing. Maximum liquid temperature is 180 F. An optional mounting base is available for pumps with JM motors.