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ARMSTRONGThree-Piece Inline Circulator Pumps

ARMSTRONG Hydronic Circulating Pump: 1/3 hp HP, 120V AC, Cast Iron, 1, 53 gpm, 26 ft Max. Head

The ARMSTRONG Hydronic Circulating Pump (SKU 3G-OTH-83619) is a three-piece inline circulator pump with a 1/3 hp motor, 120V AC nameplate voltage, and a cast iron volute included. It features flange connections…

SKU 3G-OTH-83619

Also listed as: 116435MF132 · 116435MF 132

Brand
ARMSTRONG
Item
Hydronic Circulating Pump: 1/3 hp HP, 120V AC, Cast Iron, 1, 53 gpm, 26 ft Max. Head
Category
Three-Piece Inline Circulator Pumps
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ARMSTRONG
Manufacturer Part Number
116435MF-132
Type
Cast Iron, 1, 53 gpm, Inline
AC
120V
Max. Head
26 ft
System Type
Hydronic
Connection Type
Flange
Includes Volute
Volute Included
Nameplate Voltage
120V AC

Technical Documents

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ARMSTRONG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARMSTRONG Hydronic Circulating Pump (SKU 3G-OTH-83619) is a three-piece inline circulator pump with a 1/3 hp motor, 120V AC nameplate voltage, and a cast iron volute included. It features flange connections, delivers 53 gpm at 26 ft max. head, and is designed for hydronic systems (MPN 116435MF-132).

Frequently Asked Questions

What is the Armstrong hydronic circulating pump used for?

This Armstrong three-piece inline circulator pump is designed for hydronic heating and cooling systems. It circulates water in closed-loop applications such as commercial boilers, chilled water loops, and radiant heating systems, delivering up to 53 gpm at 26 ft max. head.

What are the specifications of the Armstrong 116435MF-132 pump?

The Armstrong 116435MF-132 is a 1/3 hp hydronic circulating pump with a 120V AC motor, cast iron volute, and flange connections. It delivers 53 gpm at 26 ft max. head and is built for inline installation in hydronic systems.

Where to buy Armstrong circulating pumps worldwide?

3G Electric supplies Armstrong circulating pumps worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine Armstrong parts like the 116435MF-132 to customers across 14 departments, including pumps and controls.

How to install an Armstrong inline circulator pump?

Install the Armstrong inline circulator pump with the shaft horizontal and the electrical junction box accessible. Use flange gaskets and bolts for a leak-tight seal. Ensure the pump is wired to a 120V AC supply and that the system is flushed before startup to prevent debris damage.

Used in

Common applications for ARMSTRONG
Hydronic heating systems — ARMSTRONG general-purpose inline circulator pump 182202-657 for potable water circulation
Pump motor replacement — ARMSTRONG pump motor 817025-007 for S&H 4-Series circulator pumps
Flange installation on E32.2HT pumps — ARMSTRONG flange hardware kit 810120-353K with steel bolts and rubber gaskets
Bearing replacement in H-32 series pumps — ARMSTRONG bearing assembly 816549MF-091 for in-line circulating pumps
Piping system connections — ARMSTRONG standard flanges 806074-621k for H-6 6 model with stainless steel and EPDM
Retrofit of pump flanges — ARMSTRONG flange 561100LF-001 for ASTRO EXPRESS 2 SYSTEM union-type connections

ARMSTRONG Products

3G Electric supplies ARMSTRONG three-piece inline circulator pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Hydronic Circulating Pump: 1/12 hp HP, 115V AC, Cast Iron, 1, 31 gpm, 8 ft Max. Head, Inline (MPN 174031MF-013)
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Hydronic Circulating Pump: 1/12 hp HP, 115V AC, Cast Iron, 1, 31 gpm, 8 ft Max. Head, Inline (MPN 174031MF-013)
Hydronic Circulating Pump: 1/6 hp HP, 120V AC, Cast Iron, 1, 38 gpm, 34 ft Max. Head, Inline (MPN 182202-657)
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Hydronic Circulating Pump: 1/6 hp HP, 120V AC, Cast Iron, 1, 38 gpm, 34 ft Max. Head, Inline (MPN 182202-657)
Hydronic Circulating Pump: 2/5 hp HP, 120V AC, Cast Iron, 1, 142 gpm, 26 ft Max. Head, Inline (MPN 182212-669)
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Hydronic Circulating Pump: 2/5 hp HP, 120V AC, Cast Iron, 1, 142 gpm, 26 ft Max. Head, Inline (MPN 182212-669)
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Hydronic Circulating Pump: 1/6 hp HP, 120V AC, Ductile Iron, Variable, 75 gpm, 20 ft Max. Head (MPN 119181-113)
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Hydronic Circulating Pump: 1/6 hp HP, 230V AC, Ductile Iron, Variable, 45 gpm, 40 ft Max. Head (MPN 119382-113)

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Hydronic Circulating Pump: 1/2 hp HP, 120V AC, Cast Iron, 1, 79 gpm, 28 ft Max. Head, Inline (MPN 116439MF-132)
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