Grundfos Circulator Pump, 0 to 82 gpm, 39.37 ft Maximum Head, 16 to 442 W, 115 VAC, 0.26 to 3.88 A, 60 Hz, 174 psi Maximum, 32 to 104 deg F Ambient, X4D, 8-1/2 in Height.
Auto adapt functionFlow adapt and flow limit (more than a pump function as it reduces the need for pump throttling valves)Proportional-pressure controlConstant-pressure controlConstant-temperature controlConstant, maximum or minimum curve dutyAutomatic night setbackNo external motor protection requiredInsulating shells supplied with single-head pumps for heating systemsLarge temperature range where the liquid temperature and the ambient temperature are independent of each other
Auto adapt function
Flow adapt and flow limit (more than a pump function as it reduces the need for pump throttling valves)
Proportional-pressure control
Constant-pressure control
Constant-temperature control
Constant, maximum or minimum curve duty
Automatic night setback
No external motor protection required
Insulating shells supplied with single-head pumps for heating systems
Large temperature range where the liquid temperature and the ambient temperature are independent of each other