Grundfos Circulator Pump, 250 gpm, 49.21 ft Maximum Head, 29 to 1301 W, 208 to 230 VAC, 0.3 to 5.68 A, 60 Hz, 174 psi Maximum, Flange Mount, 32 to 104 deg F Ambient, X4D, 15.2 in W x 13.99 in H.
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 controlMaximum or minimum, constant-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
Maximum or minimum, constant-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