This is an Armstrong hydronic circulating pump. Please refer to the technical specifications in the listing for more information.
We have inspected this item and we do not have the capability to fully test it. This unit needs to be hardwired and should be installed by a professional. There are some cosmetic scuffs and scratches throughout the unit as well as some slight paint chipping. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Hydronic Circulating Pump |
| Series | H-51 |
| Manufacturer Part Number | 116431MF-132 |
| Phase | Single |
| Nameplate Voltage | 115V AC |
| HP | 1/4 hp |
| Full Load Current | 5.80 A |
| Casing Material | Cast Iron |
| Impeller Material | Metal |
| Body Gasket Material | Silicon Carbide |
| Max. Flow Rate | 44 gpm |
| Maximum Flow Rate @ 5 feet of Head | 55 gpm |
| Maximum Flow Rate @ 10 feet of Head | 40 gpm |
| Maximum Flow Rate @ 15 feet of Head | 30 gpm |
| Flow @ 20' of Head | 15 gpm |
| Maximum Flow Rate @ 25 Feet of Head | 0 gpm |
| Maximum Feet of Head | 25 ft |
| Max. Operating Pressure | 175 psi |
| Minimum Media Temperature | -4 °F |
| Max. Media Temp. | 225 °F |
| Mounting Location | Inline |
| Number of Speeds | 1 |
| Motor Enclosure Design | Open Drip Proof |
| Maximum RPM | 1,800 RPM |
| Compatible Pipe Size | 1 in |
| Compatible Discharge Pipe Size | 1 in |
| Connection Type | Flange |
| Includes Union | No Union Included |
| System Type | Hydronic |
| Face to Face Dimension | 11-1/2 in |
| Overall Length | 17.25 in |
| Overall Width | 13.5 in |
| Overall Height | 11.5 in |
| For Low Lead Compliance Level | EX |
| Circulator Pump Media Type | Hydronic Pump |