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The AMT 3791-95 is a 1 HP, single-phase self-priming pump built for lawn sprinkling and pressure boosting. It primes up to 20 feet, uses a 300 Series stainless steel closed impeller in a cast iron body, and has a dual volute design that cuts radial load on the motor. A built-in check valve keeps priming fast after the first fill, and the volute and diffuser can be replaced for servicing. It suits homeowners and light commercial users moving water from a cistern, tank or shallow well to sprinkler zones; against cheaper thermoplastic booster pumps it trades a higher weight and price for metal durability and rebuildable parts.
In stock
Lowest price we've seen: $619.33 on Nov 10 at KG Power Systems. Tracked across 1 store since Nov 10.
Buyers rate it highly, with 15 ratings averaging 5 out of 5. Owners describe it as a solid, quiet-running booster that primes reliably and holds pressure for sprinkler zones.
The AMT 3791-95 is a self-priming sprinkler and booster pump with a 1 HP, single-phase, open drip proof (ODP) motor. It runs on 115/230 V and has 1-1/2" NPT suction and discharge ports. The pump self-primes to 20 feet, and a built-in check valve ensures fast priming after initial liquid is added.
The pump body is cast iron. The closed impeller is 300 Series investment cast stainless steel, which resists erosion from abrasive particles. A dual volute design reduces radial load on the motor. The mechanical seal and o-ring are Buna-N, and the seal handles a maximum working pressure of 150 PSI.
The cleanout design makes servicing easier, with a replaceable dual volute/diffuser and casing o-ring. Maximum temperature is 180°F. An optional mounting base is available for pumps with JM motors.
