A.Y. McDonald 24000 Series - R-35 GPM High Flow Stainless Steel Submersible Pump, 1-10 HP
A.Y. McDonald 24000 Series High Flow R - 35 GPM performance curve: total head vs flow by horsepower, Pumps by Baker catalog p. 82
A.Y. McDonald 24000 Series - R-35 GPM High Flow Stainless Steel Submersible Pump, 1-10 HP
A.Y. McDonald 24000 Series High Flow R - 35 GPM performance curve: total head vs flow by horsepower, Pumps by Baker catalog p. 82

A.Y. McDonald 24000 Series R - 35 GPM Stainless Steel Submersible Pump

HP - Motor Dia: 1 HP - 4 in Motor
Voltage - Phase: 230V 1Ph 3-Wire
Model - Head: 24100R3 - 109 ft at 35 GPM

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$1,615.20
SKU: 6630-054
Weight : 37.9989 lb
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Description
A.Y. McDonald · Submersible Well Pump
24000 Series High Flow R - 35 GPM
Stainless Steel 4 in submersible pump on a Baker motor, 1 to 10 HP, 18 builds.
109-798 ft at 35 GPM
1-10 HP
230V 1Ph · 230V or 460V 3Ph
1293 ft Max Head (Shut-off)
2 in NPT Discharge
Built-In Check Valve
Baker 4 in Stainless Steel Motor
Drinking Water ANSI/NSF 61
4 in Pump, 27.7-82 in L
37-159 lb Weight
What Ships and What It Needs to Run

Included: the pump end and Baker 4 in motor with leads, assembled as one complete pump, with the internal check valve and a grounded lead on the motor.

Two-wire builds: the controls are in the motor, so no control box is needed.

Three-wire single-phase builds: the control box is included.

Three-phase builds: the starter kit is included.

Drop cable and splice kit: sized to your setting depth and ordered separately.

Overview

The 24000 Series High Flow is Baker’s stainless steel 4 in submersible pump for 35 to 80 GPM, built in five flow classes: 35, 40, 55, 60 and 80 GPM, from 1 to 10 HP. Across the line it delivers up to 124 GPM and up to 1300 ft of head at 3450 rpm.

Each pump ships assembled on a Baker stainless steel motor. The discharge casting (2 in NPT), check valve, bowls, shell, screen, shaft, cable guard and NEMA motor bracket are stainless steel; the impellers are Noryl.

This listing is the R - 35 GPM class: 1 to 10 HP, 18 builds, two-wire up to 1 1/2 HP and three-wire up to 10 HP, all with a 2 in NPT discharge.

Genuine A.Y. McDonald equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier. Watermain Supply is an Authorized Stocking A.Y. McDonald and Baker Water Systems Distributor.
3-Year A.Y. McDonald Warranty

Covered for 3 years from the date of manufacture under A.Y. McDonald’s published terms for Baker submersible motors and assembled submersible pumps with pump ends up to 80 GPM.

Room to Grow

One pump per well. Need more head later? Step up in horsepower within the R - 35 GPM class. Need more flow? Move to a higher flow class of the 24000 Series High Flow, which runs to 80 GPM; every class uses the same 2 in NPT discharge, so the drop pipe connection stays the same.

Shared Specifications
Included Pump end, motor and leads; control box on three-wire single-phase builds; starter kit on three-phase builds
Discharge 2 in NPT (female)
Well size 4 in and larger
Check valve Built in
Motor Baker 4 in stainless steel submersible motor, NEMA 4 in flange, IP68, insulation class F
Motor temperature rating 95°F
Cooling flow past the motor 1.0 ft/sec at 95°F
Maximum starts 20 per hour
Maximum operating depth (motor) 984 ft
Voltage tolerance +6% / -10%
Pump energy index (PEI) 0.81
Certification Drinking Water ANSI/NSF 61
Frequency 60 Hz
App connection None; the pump runs from its own controls

Motor data: Pumps by Baker catalog (Sept 2025, rev 3/26), pp. 121-128.

Models & Performance — Will It Do What You Need?

Find your horsepower in the row, then read across. Total head is the lift from the pumping water level to the discharge, plus the pressure you want at the tank (2.31 ft for every PSI), plus friction in the drop pipe.

Total head in feet · curves end at 47.5 GPM

HP 0 GPM (Shut-off) 10 GPM 25 GPM 35 GPM 45 GPM
1 HP 170 ft 169 ft 143 ft 109 ft 62 ft
1 1/2 HP 230 ft 222 ft 188 ft 149 ft 80 ft
2 HP 298 ft 276 ft 231 ft 190 ft 103 ft
3 HP 420 ft 393 ft 332 ft 275 ft 167 ft
5 HP 656 ft 618 ft 524 ft 434 ft 273 ft
7 1/2 HP 1010 ft 948 ft 794 ft 640 ft 384 ft
10 HP 1293 ft 1195 ft 1002 ft 798 ft 446 ft

Read from the published curve in the Pumps by Baker catalog (Sept 2025, rev 3/26), p. 82, digitized and rounded down, at the flows nearest 20%, 50% and 75% of the curve’s 47.8 GPM end. 0 GPM is the printed shut-off. For the 1 HP and 1 1/2 HP curves, the published curve and A.Y. McDonald’s printed output tables disagree by about 13 and 12 ft on average; the head figures are read from the curve, and the output tables below are the printed figures. The last column is the last flow every curve reaches; the curve ends are named in the table title.

Output in GPM at 30 PSI (switch cut-in), by depth to water · 1–3 HP

HP 20 ft 40 ft 60 ft 100 ft 120 ft 140 ft 160 ft
1 HP 38 32 24 — — — —
1 1/2 HP — 40 37 25 22 10 —
2 HP — — 42 39 35 30 21
3 HP — — — 44 42.5 41 40

Output in GPM at 50 PSI (switch cut-out), by depth to water · 1–3 HP

HP 20 ft 40 ft 60 ft 100 ft 120 ft 140 ft 160 ft
1 HP 24 14 — — — — —
1 1/2 HP 37 28 25 8 — — —
2 HP — 41 39 30 21 16 8
3 HP — — 42.5 40.5 39 36 34

Output in GPM at 30 PSI (switch cut-in), by depth to water · 5–10 HP

HP 200 ft 300 ft 400 ft 500 ft 550 ft 600 ft 650 ft
5 HP 44.5 39 30 16.8 — — —
7 1/2 HP — — 41 38 35 32.3 29
10 HP — — — 43.2 41.2 40.3 38.3

Output in GPM at 50 PSI (switch cut-out), by depth to water · 5–10 HP

HP 200 ft 300 ft 400 ft 500 ft 550 ft 600 ft 650 ft
5 HP 42.5 35.8 25 — — — —
7 1/2 HP — 43 40 — 31.3 29 26
10 HP — — — 42.2 40.5 39.5 37

Output tables as printed in the Pumps by Baker catalog (Sept 2025, rev 3/26), pp. 81-82, at the 30 and 50 PSI rows. Riser-pipe friction is not included (manufacturer note): add it for long or small drop pipe. — marks a point A.Y. McDonald does not print for that horsepower. Left blank as apparent misprints (printed out of sequence; confirm with the factory): 1 HP, 30 PSI, 100 ft: printed 19; 7 1/2 HP, 50 PSI, 500 ft: printed 5.

Best operating range: the published curve shades the most efficient operating range for each model; the catalog prints no figures for it. The curve is in the image gallery.

Before You Buy — The Limits That Decide the Fit
Well size 4 in casing and larger
Power Two-wire builds need no control box (the controls are in the motor); three-wire single-phase builds include their control box; three-phase builds include their starter kit. Match voltage and phase to your service; single-phase and three-phase builds are not interchangeable
Water temperature Motor rated to 95°F
Motor cooling 1.0 ft/sec of water flow past the motor at 95°F
Starts Up to 20 starts per hour
Setting depth Motor rated to 984 ft operating depth
Riser friction Not included in the output tables; add it before choosing
Application Water wells; the manufacturer excludes use in swimming areas
Pairing One pump per well
Materials of Construction
Discharge head Stainless steel 304, 2 in NPT discharge
Motor adapter Stainless steel 304, NEMA standard
Check valve Stainless steel 304
External shell Stainless steel 304, polished
Impellers Noryl
Diffusers Polycarbonate
Bearing Polyacetal
Shaft coupling Stainless steel 304, NEMA standard
Strainer Stainless steel 304
Shaft Stainless steel 304
Cable guard Stainless steel 304

Materials as printed by the manufacturer. Source: Pumps by Baker catalog (Sept 2025, rev 3/26), pp. 79-80.

For engineering-led sizing and selection support or a factory submittal, email sales@watermainsupply.com or call 1-888.510.4036.
© Watermain Supply — A division of E4 Industrial LLC
Data Sheet
Pumps by Baker 24000 Series Guide
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