Armstrong Circulator Parts

Both S and H Series circulators feature the unique Armstrong shaft and bearing module for ease of serviceability and maximum interchangeability. Oversized shafts of alloy steel machined to exact tolerances. Impellers are constructed from non-ferrous material and are designed for optimal water delivery. Available in bronze-fitted and all-bronze construction.

Design Features

Standard Three-Piece Design

Radially-Split Body

Oversized Shaft

Centrifugal Impeller

Positive Mechanical Seal

Modular Construction

Link to informational video about circulators

(image for) Armstrong Pump Cover Plate 816346-011

Armstrong Pump Cover Plate 816346-011

Armstrong coverplate kit P/N 816346-011 Casting number 116346 Includes coverplate, gasket and bolts. Used with Armstrong H-63, H-64, H-65, H-66,...

$409.00
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(image for) Armstrong S-25 Circulating Pump 174031MF-013

Armstrong S-25 Circulating Pump 174031MF-013

Armstrong model S-25 1/12 HP maintenace free circulating pump P/N 174031MF-013 Flange sizes available from 3/4 NPT to 1-1/2 NPT Flange to flange...

$420.00
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(image for) Armstrong S-25AB Bronze Circulating Pump 174031MF-043

Armstrong S-25AB Bronze Circulating Pump 174031MF-043

Armstrong Model S-25AB bronze maintenance free circulating pump. This 1/12th HP pump will replace Bell & Gossett series 100, Taco #110, and...

$904.00
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(image for) Armstrong S-25 Pump Power Pack 805316-010

Armstrong S-25 Pump Power Pack 805316-010

Power pack assembly for Armstrong S-25 pump P/N 805316-010 Includes motor and mounting bracket. 1/12th HP 1725 RPM Type SS...

$416.00
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(image for) Armstrong Pump Bearing Assembly 810119-001

Armstrong Pump Bearing Assembly 810119-001

Armstrong pump bearing assembly model 810119-001. This assembly includes the pump impeller We also have this bearing assembly with maintenance free...

$201.00
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(image for) Armstrong Pump Bearing Assembly 810119MF-001

Armstrong Pump Bearing Assembly 810119MF-001

Armstrong pump bearing assembly model 810119MF-001. This assembly includes the pump impeller. Manufactured with permanently lubricated bearing. Never...

$201.00
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(image for) Armstrong 1/2" x 1/2" Spring Coupler 806026-001

Armstrong 1/2" x 1/2" Spring Coupler 806026-001

Armstrong P/N 806026-001 spring coupler used with Armstrong S-25, S-25AB, S-35, S-35AB, H-32, H-32AB, H-41 and H-41AB 806026-001K...

$42.00
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(image for) Special Price Armstrong Spring Coupler 806026-001 Pack of 5

Special Price Armstrong Spring Coupler 806026-001 Pack of 5

Pack of 5 Armstrong P/N 806026-001 1/2" x 1/2" spring coupler used with Armstrong S-25, S-25AB, S-35, S-35AB, H-32, H-32AB,...

$170.00
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(image for) Armstrong S-25 Bronze Impeller 812961-041

Armstrong S-25 Bronze Impeller 812961-041

Armstrong S-25 bronze impeller P/N 812961-041  Replaces Bell & Gossett P/N 118431. Shipping rate for continental United States.

$116.00
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(image for) Armstrong H-32 Circulating Pump 174034MF-013

Armstrong H-32 Circulating Pump 174034MF-013

Armstrong H-32 circulating pump P/N 174034MF-013 This pump is rated for high capacity. Flange sizes are 1" NPT through 1-1/2" NPT. Flange...

$952.00
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