Ideal for light construction dewatering or pumping everything from contaminated, water to corrosive liquids at 50 GPM. Virtually unbreakable, compact and lightweight, only 13.5 pounds. Never rusts, excellent in use with acids. On/off alcohol swith. Comes with both 1-1/4 inch FNPT discharge (standard) and a tapered 1-1/2 to 1-1/4 inch HB connection as option. Thremal breaker incorporated in motor windings shuts off power before overheating due to locked rotor or long periods of running dry (130 degrees C). For permanent installation, temp. not to exceed 145 degrees F. For intermittent use, submerge less than 20 minutes in 195 degrees F maximum. WARNING: Not for use in flammable liquids! Consult chemical resistant chart for compatibility between pump and liquid.