Hydronic Circulating Pump 32UM88

Versatile hydronic circulator pump with 22 ft head and 128 gpm flow, UL Listed and ideal for heating systems up to 230 °F.

SKU: 182212-645

$929.00

1 in stock (can be backordered)

Category: Brand:

Quick Specs

  • Max Liquid Temperature: 230 °F
  • Max System Pressure: 150 psi
  • Max Inlet Pressure: -
  • Suction Capability: -
  • IP Rating: -

Product Overview

The Hydronic Circulating Pump 32UM88 (E30.2-2) by Armstrong Pumps Inc. is a flanged, cast iron hydronic circulator designed for high-performance heating and hot water recirculation. Operating at a maximum head of 22 ft and handling flows up to 128 gpm at 1 ft head, it supports fluid temperatures from 32 to 230 °F with a 150 psi system pressure rating. The pump features a plastic impeller, 2-inch flanged ports, and is powered by a 2/5 hp motor drawing 4.1 A at 120 V AC, 60 Hz. With a UL Listed designation and a 3-year warranty, it is a reliable choice for residential and light commercial applications.

Pump Specifications

Max Ambient Temperature-
Max Liquid Temperature230 °F
Max System Pressure150 psi
Max Inlet Pressure-
Max Head22 ft
Nominal Head-
Nominal Flow-
IP Rating-
Pumped LiquidWater
Noise Level-
Net Weight-
Suction Capability-

Technical

Rated FlowMax 128 gpm @ 1 ft head
Rated Head-
Maximum Head22 ft
Primary Shaft Seal-
ApprovalsUL Listed
Approvals for Drinking Water-
Curve Tolerance-
Model32UM88
Start Pressure-
Pump Housing-
ImpellerPlastic

Installation

Range of Ambient Temperature-
Maximum Operating Pressure150 psi
Maximum Permissible Inlet Pressure-
Type of Inlet Connection-
Type of Outlet ConnectionFlanged
Size of Suction Port2 in
Size of Outlet Port2 in
Pressure Rating for Connection-

Liquid

Pumped LiquidWater
Liquid Temperature Range32–230 °F
Selected Liquid Temperature-
Density-

Electrical Data

Max. P1-
Rated Power - P2-
Main Frequency60 Hz
Rated Voltage120 V AC
Rated Current4.1 A
Enclosure Class (IEC 34-5)-
Insulation Class (IEC 85)-
Length of Power Cable-
Power Plug-

Others

Net Weight-
Gross Weight-
Shipping Volume-
Storage Temperature Range-
Warranty-
Country of Origin-

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