Grundfos UPS43-44BFC (Grundfos SKU# 52722520) is a 3-speed bronze circulator pump with built-in check valve. Bronze housing of the Grundfos UPS43-44BFC allows to use this model in both closed and open loop systems, such as radiant heating, domestic water re circulation, solar, fan coils chiller water cooling and many others. 3 speeds (Low/Med/High) allow to adjust the pump's performance to match system's requirements, while built-in check valve eliminates the need to install a separate in line check valve.
Features:
- Ceramic shaft and radial bearings
- Carbon axial bearing
- Stainless steel rotor can and bearing plate
- Corrosion-resistant impeller, Composite, PES
- Bronze pump housing
- Check valve
Technical Specifications:
- Speed Number: 3
- Max flow: 63 US gpm
- Head max: 14.1 ft
- Liquid temperature range: 35.6 - 230 F
- Maximum operating pressure: 145 psi
- Approvals on nameplate: UL, CSA
- Pump housing: Bronze
- Pump housing: DIN W.-Nr. 2.1176.01
- Impeller: Composite, PES
- Maximum ambient temperature: 104 F
- Ambient max at 176 F liquid: 176 F
- Maximum operating pressure: 145 psi
- Flange standard: USA Oval
- Type of connection: Bronze Flange
- Pipe connection: 3/4", 1", 1-1/4"
- flange (GF 15/26)
- Pressure stage: 10
- Port-to-port length: 8.1/2"
- Number of poles: 2
- Power input in speed 1: 157 W
- Power input in speed 2: 189 W
- Max. power input: 203 W
- Rated power - P2: 0.161 HP
- Main frequency: 60 Hz
- Voltage: 115V
- Current in speed 1: 1.4 A
- Current in speed 2: 1.7 A
- Current in speed 3: 1.8 A
- Capacitor size - run: 20mF/180 V
- Insulation class (IEC 85): F
- Gross weight: 13.5 lb
Warranty:
2 years from date of installation.
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