Bell & Gossett Series 1531 pumps are custom-built end-suction and close-coupled pumps with a base-mounted design with a heavy duty cast iron volute construction for 175 psi. They are available in bronze-fitted, for general heating and potable water, and bronze-body pumps for food service applications. Series 1531 pumps come in 1-1/4'' through 6'' pipe sizes, 1150, 1750, or 3500 RPM motors, and are available with 3/4 HP to 60 HP motors. They feature a mechanical seal construction, self-flushing mechanical seals, external flush tubing, a precision-fitted balanced and enclosed impeller, and gauge tappings on the suction and discharge flanges. The Series 1531's back pull-out design allows one service tech ease of maintenance.

Category Products

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 1 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,468.36
Regular Price: $1,528.05

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 1-1/2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,602.08
Regular Price: $1,667.21

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,728.41
Regular Price: $1,798.67

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 3 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $1,794.44
Regular Price: $1,867.39

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 5 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,006.90
Regular Price: $2,088.48

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 7-1/2 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,207.88
Regular Price: $2,297.63

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 10 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,615.57
Regular Price: $2,721.89

This Bell & Gossett Series 1531 model 1-1/4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 1-1/2" NPT end suction, and a 1-1/4" NPT top discharge. Its motor is three phase, 15 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $3,037.63
Regular Price: $3,161.11

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 1 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,547.52
Regular Price: $1,610.43

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 1-1/2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,627.91
Regular Price: $1,694.09

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,768.60
Regular Price: $1,840.49

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 3 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,929.38
Regular Price: $2,007.81

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 5 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,012.65
Regular Price: $2,094.46

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 7-1/2 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,213.61
Regular Price: $2,303.60

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 10 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,615.57
Regular Price: $2,721.89

This Bell & Gossett Series 1531 model 1-1/2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2" NPT end suction, and a 1-1/2" NPT top discharge. Its motor is three phase, 15 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $3,051.97
Regular Price: $3,176.04

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 1 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,708.30
Regular Price: $1,777.74

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 1-1/2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,774.35
Regular Price: $1,846.48

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,929.38
Regular Price: $2,007.81

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 3 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,012.65
Regular Price: $2,094.46

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 3 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $1,952.35
Regular Price: $2,031.71

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 5 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,176.30
Regular Price: $2,264.77

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 7-1/2 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,022.35
Regular Price: $2,104.56

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 10 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $2,764.86
Regular Price: $2,877.26

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 15 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $3,207.02
Regular Price: $3,337.39

This Bell & Gossett Series 1531 model 2AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 2-1/2" NPT end suction, and a 2" NPT top discharge. Its motor is three phase, 20 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $3,916.18
Regular Price: $4,075.37

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 1-1/2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,211.90
Regular Price: $2,301.81

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,164.82
Regular Price: $2,252.82

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 3 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,285.40
Regular Price: $2,378.30

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 5 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,492.11
Regular Price: $2,593.42

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 15 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $3,525.71
Regular Price: $3,669.03

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 20 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $4,240.61
Regular Price: $4,413.00

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 25 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $4,651.18
Regular Price: $4,840.25

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 30 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $5,334.50
Regular Price: $5,551.35

This Bell & Gossett Series 1531 model 3AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 4" NPT end suction, and a 3" NPT top discharge. Its motor is three phase, 40 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $6,270.47
Regular Price: $6,525.37

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,339.94
Regular Price: $2,435.06

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 3 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,503.60
Regular Price: $2,605.37

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 5 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,693.10
Regular Price: $2,802.57

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 7-1/2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $3,244.35
Regular Price: $3,376.23

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 15 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $3,709.46
Regular Price: $3,860.25

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 20 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $4,424.36
Regular Price: $4,604.22

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 25 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $4,834.93
Regular Price: $5,031.47

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 30 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $5,509.63
Regular Price: $5,733.60

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 40 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $6,448.49
Regular Price: $6,710.62

This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 50 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $7,708.90
Regular Price: $8,022.27

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This Bell & Gossett Series 1531 model 4AC is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-5/8" shaft size, 5" NPT end suction, and a 4" NPT top discharge. Its motor is three phase, 60 HP, 3500 RPM, and 208-230/460/60/3.

Online Price: $8,782.68
Regular Price: $9,139.70

This Bell & Gossett Series 1531 model 2-1/2AB is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 3" NPT end suction, and a 2-1/2" NPT top discharge. Its motor is three phase, 1 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,834.63
Regular Price: $1,909.21

This Bell & Gossett Series 1531 model 2-1/2AB is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 3" NPT end suction, and a 2-1/2" NPT top discharge. Its motor is three phase, 1-1/2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,949.47
Regular Price: $2,028.72

This Bell & Gossett Series 1531 model 2-1/2AB is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 3" NPT end suction, and a 2-1/2" NPT top discharge. Its motor is three phase, 2 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $2,070.07
Regular Price: $2,154.22

This Bell & Gossett Series 1531 model 2-1/2AB is a base-mounted centrifugal pump used for commercial hydronic heating and cooling. This pump features a 1-1/4" shaft size, 3" NPT end suction, and a 2-1/2" NPT top discharge. Its motor is three phase, 3 HP, 1750 RPM, and 208-230/460/60/3.

Online Price: $1,970.32
Regular Price: $2,050.41

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Category Repair Parts

B&G Series 1531 Exploded View
View full-size B&G Series 1531 Exploded View
B&G Series 1531 Single Mechanical Seal
View full-size B&G Series 1531 Single Mechanical Seal
B&G Series 1531 Standard Seal Construction
View full-size B&G Series 1531 Standard Seal Construction
B&G Series 1531 Stuffing Box Construction
View full-size B&G Series 1531 Stuffing Box Construction

Category Information