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Description
This circulator pump is a three-speed model designed for heating and air-conditioning systems, suitable for both central and district heating applications. It provides reliable and maintenance-free operation, making it ideal for commercial heating, commercial hot water recirculation, and domestic heating environments.
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 52722515 |
| Speed Number | 3 |
| Rated flow | 28.3 US gpm |
| Max flow | 63 US gpm |
| Rated head | 7.924 ft |
| Maximum head | 14.11 ft |
| Approvals | UL, CSA |
| Pump with built-in isolating and non-return valves | Yes |
| Pump housing | Cast iron, EN 1561 EN-GJL-150, ASTM A48-25B |
| Impeller | Composite, PES+30% GF |
| Maximum ambient temperature | 104 °F |
| Ambient max at 176°F liquid | 176 °F |
| Maximum operating pressure | 145.04 psi |
| Type of connection | 2-BOLT FLANGE, C.I. Flange |
| Pipe connection | 2-BOLT FLANGE |
| Pressure rating for connection | PN 10 |
| Port-to-port length | 8 9/16 in |
| Pumped liquid | Water |
| Liquid temperature range | 35.6 .. 230 °F |
| Selected liquid temperature | 140 °F |
| Density | 61.35 lb/ft³ |
| Power input in speed 1 | 0.2105 HP |
| Power input in speed 2 | 190 W |
| Max. power input | 203 W |
| Main frequency | 60 Hz |
| Rated voltage | 1 x 230 V |
| Current in speed 1 | 0.7 A |
| Current in speed 2 | 0.8 A |
| Current in speed 3 | 0.9 A |
| Capacitor size - run | 5 µF/400 V |
| Number of poles | 2 |
| Insulation class (IEC 85) | F |
| Built-in motor protection | CONTACT |
| Thermal protec | internal |
| Terminal box position | 9H |
| Net weight | 12.8 lb |
| Gross weight | 14 lb |