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Grundfos 99472724 - ALPHA 15-55 HWR-D
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Grundfos 99472724 - ALPHA 15-55 HWR-D
Grundfos Pumps & Systems

Grundfos 99472724 - ALPHA 15-55 HWR-D

GRUNDFOSSKU: 99472724
Price:
$772.59

or Call for most up to date lead times. (781) 281-8905

Description

⚠ Discontinued Product This model has been discontinued by Grundfos. Stock may be limited. Contact PumpStop to confirm availability or discuss a replacement model.
Grundfos — World's Largest Pump Manufacturer · Bjerringbro, Denmark
ALPHA 15-55 HWR-D · Circulator Pump — High Efficiency ECM
ALPHA115V1.0-Phase60 HzIP42Composite

The Grundfos 99472724 (ALPHA 15-55 HWR-D) is a Circulator Pump — High Efficiency ECM. High-efficiency ECM variable speed circulator. AUTOADAPT automatically optimizes pump performance. Nominal performance: 12.5US gpm at 6.693ft. Rated 115V, 1.0-Phase, 60 Hz. Applications include HVAC: Heating, District cooling.

Voltage
115V
Phase
1.0-Phase
Max Flow
12.5US gpm
Max Head
6.693ft
Max Pressure
145.04psi
Grundfos
World's largest pump manufacturer — engineering and manufacturing in 17 countries since 1945
Industrial Grade
Built and tested to IEC and NEMA standards
Authorized Distributor
Genuine Grundfos product — full manufacturer warranty coverage
Expert Support
Technical help available — call (781) 281-8905 or chat
Why This Product

Genuine Grundfos Part

OEM component engineered and manufactured to Grundfos specifications. Maintains pump performance and warranty coverage.

Full Traceability

Genuine Grundfos parts carry manufacturer traceability from production through delivery. No counterfeit risk.

Authorized Source

PumpStop is an authorized Grundfos distributor. All parts are genuine — not aftermarket, not surplus.

Confirm Compatibility

Always verify part number against your pump model number and serial number before ordering. Contact PumpStop for parts identification assistance.

Technical Support Available

PumpStop technical team can identify correct parts from pump nameplate data, serial number, or model code. Call (781) 281-8905 or chat.

Contact for Availability

Parts availability varies. Contact PumpStop to confirm stock, lead time, and pricing before placing an order.

Model Information — ALPHA 15-55 HWR-D
Series: ALPHA
Model Code: ALPHA 15-55 HWR-D
Impeller Material: Composite
Housing Material: Stainless steel
Flange Rating: PN 10
Technical Specifications
Model Number 99472724
Product Series ALPHA
Series Description Circulator Pump — High Efficiency ECM
Voltage 115V
Phase 1.0-Phase
Frequency 60 Hz
Insulation Class F
Protection Class (IP) IP42
Nominal Flow 12.5US gpm
Nominal Head 6.693ft
Max Operating Pressure 145.04psi
Max Fluid Temperature 230°F
Max Ambient Temperature 104°F
Nominal Pipe Bore 1 1/4inch
Pipe Pressure Rating PN 10
Pipe Standard NPSM
Impeller Material Composite
Housing Material Stainless steel
Approvals / Certifications ETL, FCC, NSF
Applications
HVAC: Heating
District cooling
Important Notices
Electrical Verify supply voltage, phase, and frequency match nameplate before installation: 115V, 1.0-Phase, 60 Hz.
Temperature limits Do not exceed max fluid temperature 230°F or max ambient temperature 104°F. Exceeding limits damages seals and motor insulation.
Dry running Do not run dry. ALPHA pumps use the pumped fluid to lubricate the shaft seal. Dry running destroys the seal within seconds. Install dry-run protection on all automatic installations.
Maintenance Refer to the Grundfos Installation and Operating Manual (IOM) for correct installation, commissioning, and maintenance. Contact PumpStop for documentation.
Documentation
✓ Installation and Operating Manual (IOM) — ALPHA Series
✓ Product Data Sheet — ALPHA 15-55 HWR-D
✓ Service Manual and Spare Parts List
Need the IOM, data sheet, or spare parts list? Contact PumpStop and we'll send it over.
Before You OrderConfirm model code, voltage, phase, and frequency match your installation. For sizing help, spare parts, or documentation, call (781) 281-8905 or chat with PumpStop.
Grundfos — 99472724 · ALPHA 15-55 HWR-DAuthorized Grundfos Distributor · pump-stop.com
Approvals
ETL, FCC, NSF
Built-in motor protection
NONE
Connection
PN 10
Density
61.35 lb/ft³
Enclosure class (IEC 34-5)
IP42
Frequency
60 Hz
Gross weight
5.6 lb
Housing
Stainless steel
I MAX
0.65A
Impeller
Composite
Insulation
F
Insulation class (IEC 85)
F
IP Class
IP42
Length
5 15/16 in
Liquid max temp
230°F
Liquid temperature range
35.6 .. 230 °F
Maximum current consumption
0.65 A
Maximum head
18.05 ft
Maximum operating pressure
145.04 psi
Minimum current consumption
0.02 A
Model
A
n rpm
F
Net weight
4.95 lb
Phase
1
Pressure rating for connection
PN 10
Pump housing
Stainless steel
Pumped liquid
Water
Range of ambient temperature
33.8 .. 104 °F
Rated flow
12.5 US gpm
Rated head
6.693 ft
Rated voltage
1 x 115 V
Sales region
USA
Selected liquid temperature
140 °F
Size of connection
1 1/4 inch
Terminal box position
6H
TF class
110
Thermal protec
ELEC
Type of connection
NPSM

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