Grundfos Cross-Reference Guide: Series UP Circulators

Circulator Replacement

Closed Systems (Cast Iron Construction)

GRUNDFOS

TACO

BELL & GOSSETT

ARMSTRONG

LAING

UP 15-42F/FR
(BRUTE 11)
UPS15-42F

005, 007, 008

LR20-BF
LR20-BF, NR-22,
100 NFI

S25, SS25-30*
ASTRO 30

SM909-14

UP26-64F

009, 0010,
110, 113

SF15*, SS50
S25, S35

SM909-23

UP26-96F UP26-99

009, 0011, 113

PR, PL36
PR B1

H41

n/a

UP26-116

0013

PL36

n/a

UP43-75F

111, 112, 0012

HV, Ser. 1-1/2inch, PL45

S34, H32, H41

n/a

UP50-75*

0012 F2

2inch

S35

n/a

Open Systems (Stainless Steel or Bronze Construction)

UP15-10B5**
UP15-10B7**
UP15-18SU***
UP15-18SF
UP15-18B5**
UP15-18B7**

006B

NBF 12/22U
NBF 12/22U

ST10B****, SF15B****
ASTRO 30B

SM202B

SM303B

UP15-42SU***
UP15-42SF
UP15-42B5**

005B, 007B

NBF 12/22
LR 15-B

Ser.100-B

ST10B, SF15B,
SS-30B****

SM909-14B

UP25-64SU***
UP25-64SF
UP15-42B7**

008B, 110B

LR12-B, LR15-B
Ser.100-B

SR15B****, S25B,
SS-50B****
ASTRO 50

SM909-23B

UP25-96BF
UP25-99BF

009B, 0010B,
0011B, 110B,
113B

PR-B. LR12-B

H41B,
SS-100B****

n/a

UP43-75BF

111B, 112B,
0012B

PL45B, HVB,
Ser. 1 1/2 IN B

S34B****, H32B,
H41B

n/a

Series UP
OLD	NEW
UPS20-42 UP40-75 UP25-42SF UM15-10 UM25-18SU UMS20-28U or F	UPS15-42 UP43-75 UP15-42SF UP15-10 UP15-18 No Direct Crossover

* Replacement flange recommended.
** Requires union connection fittings.
*** Sweat connections
**** Discontinued

This replacement guide is for your reference only. Refer to Grundfos technical data to ensure you obtain the correct Grundfos Pump for your specific application.

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