Grundfos 99163906

Grundfos ALPHA2 15-55F/LC Cast Iron High-Efficiency 3-Speed Circulator Pump, 1/1

Grundfos 99163906

Grundfos ALPHA2 is versatile and efficient whether you use one of its seven speed or pressure control settings or simply leave it on the factory setting AUTOADAPT. The ALPHA2 with its ECM motor design reduces energy consumption by 50%, and in AUTOADAPT mode, will automatically analyze the heating system, find the optimum setting, continue to adjust its operation to changes in demand, and reduce power consumption by up to 85% ensuring the lowest possible energy consumption without sacrificing comfort.

Brand Name      :      Grundfos
Item Name      :      Circulator Pump
Type      :      High-Efficiency, 3-Speed
Model      :      ALPHA2 15-55F/LC
Voltage Rating      :      115 volt
Amperage Rating      :      0.65 amp
Frequency Rating      :      60 Hz
HP Rating      :      1/12 hp
Flow Rate      :      21 gpm
Phase      :      1 PH
Material      :      Cast Iron
Pressure Rating      :      150 psi
Temperature Rating      :      2 - 110 deg C Liquid, 40 deg C Ambient
Dimension      :      6-1/2 Inch Width x 6-1/2 Inch Height
Maximum Feet of Head      :      19 feet
Wattage      :      5 - 45 watt
  • Cast iron flange with line cord
  • Simple push button control enables the ALPHA2 to be programmed in one of 3-constant speed, 3-constant pressure, or AUTOADAPT control modes, the current operating mode is always visible on the ALPHA2’s LED display
  • The large LED display shows the current energy consumption in watts and estimated flow in gallons per minute
  • For installation, you have the flexibility to use either our unique ALPHA plug with line cord or the ALPHA2 with terminal box for conduit connections
  • ALPHA2 is complete with an integrated check-valve, foam insulation jacket, and nut captures for flanges, ALPHA2 comes in both cast iron and stainless steel models
  • Robust startup enables the ALPHA2 to continuously attempt to restart - indefinitely - in blocked rotor conditions
  • The pump features AUTOADAPT which automatically adjusts the pump to system demands for lowest energy consumption
  • Composite impeller
  • Electric thermal protection
  • pdf Brochure/Catalog https://cdn-assets.unilogcorp.com/ASSETS-H/DOCUMENTS/ITEMS/EN/UNI-SH102199_Broc.pdf
  • pdf Installation Sheet https://cdn-assets.unilogcorp.com/ASSETS-H/DOCUMENTS/ITEMS/EN/UNI-SH102199_Inst.pdf
  • pdf Specification Sheet https://cdn-assets.unilogcorp.com/ASSETS-H/DOCUMENTS/ITEMS/EN/UNI-SH102199_Spec.pdf