Grundfos 99631739 - SCALA1 5-55 | Multistage | SelfPriming | Booster

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GrundfosSKU: 99631739

Price:
Sale price$1,310.00 Regular price$1,738.00
or Call for most up to date lead times. (781) 281-8905

Description

Grundfos — World's Largest Pump Manufacturer · Bjerringbro, Denmark
SCALA1 5-55 · Booster set
SCALA1 5-551.09HP230V1-Phase60 HzIPX4DComposite

The Grundfos 99631739 (SCALA1 5-55) is a Booster set 1.09HP 230V 1-Phase — SCALA1 is a fully integrated, compact self-priming, pressure booster for domestic use. It can communicate with Grundfos GO Remote app via built-in Bluetooth technology enabling high customization options.. Nominal performance: 22US gpm at 90.56ft. Designed for Residential groundwater intake, Residential rainwater harvesting, Residential water pressure boosting.

Power
1.09HP
Voltage
230V
Phase
1-Phase
Max Flow
22US gpm
Max Head
90.56ft
Max Pressure
116.03psi
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
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Why This Product

Genuine Grundfos Parts and Accessories

Genuine Grundfos replacement parts and accessories are manufactured to the same specifications as the original components — ensuring correct fit, correct function, and maintenance of original pump performance.

OEM Quality — Maintains Warranty Coverage

Using genuine Grundfos replacement parts maintains pump warranty coverage where applicable. Third-party parts may void warranty coverage and can cause performance changes and premature failure.

Compatibility Confirmed

Grundfos accessories and replacement parts are tested for compatibility with specific Grundfos pump models. Part numbers are model-specific — always verify using your pump's model number and serial number.

PumpStop Expert Support

Not sure if this is the right part for your pump? Contact PumpStop with your pump model number and serial number — our team will confirm compatibility before you order.

Model Code Decoded — SCALA1 5-55
Series: SCALA1 5-55
Model Code: SCALA1 5-55
Impeller Material: Composite
Housing Material: Composite
Flange Rating: PN 8
Performance
Nominal Flow 22US gpm
Nominal Head 90.56ft
Max Operating Pressure 116.03psi
Max Fluid Temperature 113°F
Max Ambient Temperature 131°F
Electrical Specifications
Power 1.09HP
Voltage 230V
Phase 1-Phase
Frequency 60 Hz
Full Load Current 5.25A
Insulation Class F
Protection Class (IP) IPX4D
Cable / Plug Type US plug 230V
Connections
Inlet Connection 1inch
Outlet Connection 1inch
Pipe Pressure Rating PN 8
Materials
Impeller Material Composite
Housing Material Composite
Product Identity
Model Number 99631739
Product Series SCALA1 5-55
Model Code SCALA1 5-55
Approvals / Certifications CSA, cULus, CCSAUS, CSA LLC, PROP6
Applications
Residential groundwater intake
Residential rainwater harvesting
Residential water pressure boosting
Important Notices
Electrical Requires correctly rated supply — 230V, 1-Phase, 60 Hz. Install with correctly rated circuit protection and motor starter.
Temperature limits Do not exceed max fluid temperature 113°F or max ambient temperature 131°F. Operating outside these limits will damage seals and motor insulation.
Dry running Do not run dry. SCALA1 5-55 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 intervals. Contact PumpStop for documentation.
Documentation
✓ Installation and Operating Manual (IOM) — SCALA1 5-55
✓ Product Data Sheet — SCALA1 5-55
✓ 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 requirements. For sizing help or spare parts guidance, chat or call (781) 281-8905.
EAN 5713832222018
Applications Pressure boosting, Domestic water supply
Approvals CCSAUS
Approvals for drinking water CSA DW
Connection PN 8
Curve tolerance ISO9906:2012 3B
Density 62.29 lb/ft³
Enclosure class (IEC 34-5) X4D
Gross weight 35.3 lb
Housing Composite
Impeller Composite
Insulation class (IEC 85) F
Length of power cable 1.5 m
Liquid temperature range 32 .. 113 °F
Mains frequency 60 Hz
Material Pricing Group 16
Maximum current consumption 5.25 A
Maximum head 180.5 ft
Maximum operating pressure 8 bar
Maximum permissible inlet pressure 2 bar
Model A
Net weight 30.9 lb
Power plug NEMA 6-15
Pressure rating for connection PN 8
Product family SCALA1
Pump housing Composite
Pumped liquid Water
Range of ambient temperature 32 .. 131 °F
Rated flow 21.5 US gpm
Rated head 82.02 ft
Rated power - P2 0.81 kW
Rated voltage 1 x 230 V
Real Time 1 Available on 10/12/2023 Plant: Allentown  Update with real time availability and Net price
Selected liquid temperature 68 °F
Shaft seal type BVBP
Size of inlet connection 1 inch
Size of outlet connection 1 inch
Start pressure 2.8 bar
Type BVBP
Type of inlet connection NPT(M)
Type of outlet connection NPT(M)
P1 max. 1250 W

Motor Curves

Dimensional Drawing

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