  
Grundfos Grundfos low water pressure electric booster pump system. MQ All-In-One Home Water Supply Pump. "Whisper Quiet Operation". Specially designed for domestic applications where low noise is a major consideration. The pump is cooled by the pumped water which eliminates the need for a noisy cooling fan.
Up to 5 water outlets can be operated at the same time without substantially reducing performance, assuming an average delivery of 3 GPM at 30 PSI and a 15 ft. suction lift.
Specifications
- Applications: Domestic water supply. Pressure boosting from well or city. Automatic water transfer.
- Type of pump: Single stage, self-priming centrifugal
- Pump construction:304 Stainless steel and corrosion-resistant materials.
- Inlet & outlet: 1" MNPT X 1" MNPT(male pipe thread)
- Cut-in pressure: 30 PSI factory setting
- Maximum operating pressure: 109 PSI (Suction pressure plus discharge pressure cannot exceed 109 PSI)
- Tank size: 0.7 Gallons
- Suction lift: Capable of up to 25 feet
- Maximum inlet pressure: 44 PSI (Must install a pressure reducing valve on the suction side of the pump if the inlet pressure is more than 44 PSI)
- Electrical: 220-240 volts, 1 phase, 4.5 Amps., 60 Hz, 1000 Watts, 1 HP, TEFC motor. Includes 6' electrical cord with bare leads.
- Maximum water temperature: 150 degrees Fahrenheit
- Carton Dimensions: 24" high, 24" long, 12" wide.
- Weight: 36 lbs
DO NOT EXCEED A TOTAL SYSTEM PRESSURE OF 109 PSI. THE TOTAL SYSTEM PRESSURE WILL BE THE INCOMMING CITY PRESSURE PLUS THE MAXIMUM OUTPUT PRESSURE FROM THE DATA ABOVE. THE MAXIMUM ALLOWABLE CITY PRESSURE FOR THIS UNIT IS 40 PSI
USE A PRESSURE REGULATING VALVE IN THE SUCTION AND/OR DISCHARGE LINES AS REQUIRED
| Capacity Table # MQ3-45-230 In Gallons Per Minute |
| Model |
HP |
Head In PSI |
Shut-off |
| 30 |
35 |
40 |
45 |
50 |
55 |
60 |
| Gallons Per Minute (GPM) |
| MQ3-45-230 |
1 |
18 |
16 |
14 |
12 |
10 |
8 |
5 |
68 |
|