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Supply Voltage: 115-120V AC, 60-hertz
Contact Rating: 16-amp
Ambient Temperature: -4F to 175F
Shortest Switching Interval: 15 minute increment
Switch Modes:"Timer", "ON" Override, "OFF" Override
Product Description Grundfos 599388 24 Hour Programmable Timer for UP Circulator Pumps From the Manufacturer Grundfos 599388 Timer is designed only for use with specified Grundfos Series UP circulators installed in indoor hot water service systems. Applicable Series UP models include all single speed UP 10-15, 1-phase, 115-Volt, 60-hertz pumps with date codes of 0528 and higher.The Grundfos Timer control is designed to turn the circulator on and off at preset times, allowing the user to select operation of the circulator during high use periods of the day.