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ST
ARMSTRONG PUMPS INC.

1/32 HP Bronze Wet Rotor, Maintenance Free Hot Water Circulating Pump

  • Item # 32UN22
  • My Part #
  • Mfr. Model # ASTRO 225BS 1/2" SWT
  • Catalog Page # 2712
  • UNSPSC # 40151504
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  • Shipping Weight 6.0 lbs.
Country of Origin China Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

The hot water circulating pump was designed for use in water circulation and in hydronic heating systems. It is ideal for open systems such as domestic hot water recirculation or pressure boosting, and where the use of stainless steel is desired to avoid corrosion.

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Technical Specs

  • Item Hot Water Circulating Pump
  • HVAC Circulating Pump Type Hot Water Circulating Pump
  • HP 1/32
  • Voltage - Pumps 115VAC
  • Phase - Pumps 1
  • Connection Style Sweat
  • Inlet/Outlet Size 1/2"
  • Shut-Off 6 ft.
  • Housing Material - Pumps Bronze
  • Max. GPM @ Head 9.5 gpm @ 0 ft.
  • Series ASTRO 225BS
  • Face to Face Dimension 6"
  • Best Efficiency GPM @ Head 4 gpm @ 3 ft.
  • Min. GPM @ Head 0 gpm @ 6 ft.
  • Drive Type Direct
  • Height 6"
  • Length 5"
  • Width 5"
  • Loop Configuration Open
  • Flange/Union Included Yes
  • Includes Circulator Pumps, Sweat Unions, and (2) Gaskets
  • Max. Operating Pressure 150 psi
  • Max. Temp. 230 Degrees F
  • Amps 0.29
  • RPM 3600
  • Number of Speeds 3
  • Thermal Protection Yes
  • Pump Mount In Line
  • Impeller Material 30% Glass-Filled Noryl(R)
  • Shaft Material Ceramic
  • Mechanical Seal Wet Rotor
  • Features 3 Speed, Maintenance Free, Compact, High Performance
  • Standards ETL
  • Manufacturers Warranty Length 2 yr.
  • Compliance cETL, Low Lead, NSF-372
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Compliance and Restrictions

  • This product has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption).

  • This item is restricted for international sale.

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