Shallow Well Jet Pump, Cast Iron, 1/2 thru 1 HP, 115V/230V, 30-50 Switch, 1-1/4" Suction, 1" Discharge The Projet HN models are constructed with quality components and provide excellent performance for wells to 25' deep KEY FEATURES Quality Construction - Close-grained cast iron body. Drain port provided for easy winterizing Precision Molded Diffuser - Pump primes faster, handles more air, with multi-port, precision-molded, reinforced polypropylene diffuser. Motor Windings - Superior insulation materials protect against excessive moisture and contaminants&hellip;assure prolonged motor life. Heavy-duty Ball Bearings - Shielded, permanently lubricated bearings, extensively tested to ensure extended life and smooth quiet operation. Resources OWNER'S MANUAL: HN SERIES, SN SERIES:&nbsp;DOWNLOAD MANUAL INSTRUCTIONS: PRESSURE SWITCH ADJUSTMENT:&nbsp;DOWNLOAD INSTRUCTIONS SELL SHEET: HN SERIES:&nbsp;DOWNLOAD SHEET