©Johnstone Supply eCatalog 216

HYDRONICS Pumps & Parts

ALPHA1 ECM Pumps • Features three-constant pressure control modes with push button settings • Large LED display shows energy watt consumption and estimated flow in gallons per minute • Extremely quiet 19.2 dB(A) operation • Features the highest torque rating and most powerful start feature in its class

• Attempts to restart indefinitely every seven seconds in blocked rotor conditions

• Can replace more than 30 other pump models • Features an integrated check-valve and nut captures for flanges • Magnetite resistant design with a stainless steel bearing plate, robust ceramic shaft and ceramic bearing rings Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Flange to Flange Wt. Lbs.

Order #

Mfg. #

Model #

Description

Body Type

Volts Phase RPM HP Conn.

Flange Size

L49-575

99285998 ALPHA1 15-55 F/LC Cast Iron Flange with Line Cord Cast Iron

115 1 Variable 1/16 2-Bolt Flange GF 15/26 6-1/2”

7.5

L49-577 99287250 ALPHA1 15-55 SF/LC Stainless Flange with Line Cord Stainless Steel 115 1 Variable 1/16 2-Bolt Flange GF 15/26 6-1/2” 6.3 Additional Specifications

GPM @ 0’

GPM @ 1’

GPM @ 2’

GPM @ 3’

GPM @ 4’

GPM @ 5’

GPM @ 6’

GPM @ 7’

GPM @ 8’

GPM @ 10’

GPM @ 12’

GPM @ 13’

GPM @ 15’

GPM @ 16’

GPM @ 18’

Order #

Mfg. #

Shutoff

L49-575 L49-577

99285998 19’ 99287250 19’

21.5 21 21.5 21

19.5 18.2 17 19.5 18.2 17

15.6 14 15.6 14

12.5 11.4 8.7 12.5 11.4 8.7

6.4 6.4

5.5 5.5

3.5 3.5

2.8 2.8

1.3 1.3

Alpha Pumps • Pumps come equipped with the unique Grundfos AUTOADAPT™ function which automatically balances optimum comfort with minimum power consumption • A simple and intuitive one-touch button accesses the other settings

• Water lubricated - maintenance free • Simple installation — external plug for electrical connection • Single-speed or two- or three-speed performance adjustment high efficiency ECM motor uses up to 85% less energy Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

• Automatic performance adjustment • Display of actual power consumption

Flange Size

Flange to Flange

Wt. Lbs.

Order #

Mfg. #

Model #

Description

Body Type Volts Phase RPM HP Conn.

L49-374

99163937 ALPHA2 15-55 SF Stainless Flange with Terminal Box

Stainless Steel Stainless Steel

115 1 Variable 1/16 2-Bolt Flange 115 1 Variable 1/16 2-Bolt Flange

GF 15/26 6-1/2” 6.1

L49-375

99163972 ALPHA2 15-55 SF/LC Stainless Flange with Line Cord

GF 15/26 6-1/2” 6.3

L49-580

99287262 ALPHA 2 26-99

Cast-Iron Flange with Terminal Box and User Interface Cast Iron 115 — Variable — 2-Bolt Flange Cast-Iron Flange with Terminal Box and User Interface Cast Iron 115 — Variable — 2-Bolt Flange

GF 15/26 6-1/2” 7.7

L50-229

99490916 ALPHA 2 26-99

GF 15/26 6-1/2” 7.7

Additional Specifications

GPM @ 10’

GPM @ 12’

GPM @ 13’

GPM @ 16’

GPM @ 18’

GPM @ 20’

GPM @ 22’

GPM @ 23’

GPM @ 24’

GPM @ 25’

GPM @ 28’

GPM @ 29’

GPM @ 30’

GPM @ 35’

GPM @ 36’

GPM @ 40’

Shut off

GPM @ 0’

GPM @ 1’

GPM @ 2’

GPM @ 3’

GPM @ 4’

GPM @ 5’

GPM @ 6’

GPM @ 7’

GPM @ 8’

GPM @ 15’

Order #

Mfg. #

L49-374 99163937 19’ 21.5 21 19.5 18.2 17 15.6 14 12.5 11.4 8.7 6.4 5.5 3.5 2.8 1.3 1.6 0.5 — — — — — — — — — L49-375 99163972 19’ 21.5 21 19.5 18.2 17 15.6 14 12.5 11.4 8.7 6.4 5.5 3.5 2.8 1.3 1.6 0.5 — — — — — — — — — L49-580 99287262 41’ — — — — — — 28.4 27.2 26.4 24.2 22.7 22 20 19 17.5 16 14.3 13.5 13 12.2 10.4 9.5 9.1 6.4 6 4 L50-229 99490916 41’ — — — — — — 28.4 27.2 26.4 24.2 22.7 22 20 19 17.5 16 14.3 13.5 13 12.2 10.4 9.5 9.1 6.4 6 4

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