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ARMSTRONGThree-Piece Inline Circulator Pumps

ARMSTRONG Hydronic Circulating Pump: 1/2 hp HP, 120V AC, Cast Iron, 1, 79 gpm, 28 ft Max. Head

The ARMSTRONG Hydronic Circulating Pump is a three-piece inline circulator pump with a 1/2 hp motor and 120V AC nameplate voltage. It features flange connections, a cast iron volute included, and delivers 79 gpm at…

SKU 3G-OTH-83586

Also listed as: 116439MF132 · 116439MF 132

Brand
ARMSTRONG
Item
Hydronic Circulating Pump: 1/2 hp HP, 120V AC, Cast Iron, 1, 79 gpm, 28 ft Max. Head
Category
Three-Piece Inline Circulator Pumps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARMSTRONG
Manufacturer Part Number
116439MF-132
Type
Cast Iron, 1, 79 gpm, Inline
AC
120V
Max. Head
28 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 is a three-piece inline circulator pump with a 1/2 hp motor and 120V AC nameplate voltage. It features flange connections, a cast iron volute included, and delivers 79 gpm at 28 ft max head. This hydronic system pump (MPN 116439MF-132) is designed for circulating water in heating and cooling applications.

Frequently Asked Questions

What is the ARMSTRONG Hydronic Circulating Pump used for?

The ARMSTRONG Hydronic Circulating Pump circulates water in hydronic heating and cooling systems. It is commonly used in commercial and industrial HVAC applications to maintain flow through boilers, chillers, and heat exchangers. The 1/2 hp motor delivers 79 gpm at 28 ft max head for efficient system operation.

What are the specifications of the ARMSTRONG 116439MF-132 pump?

The ARMSTRONG 116439MF-132 is a three-piece inline circulator pump with a 1/2 hp motor, 120V AC nameplate voltage, and flange connections. It has a cast iron volute, delivers 79 gpm at 28 ft max head, and is designed for hydronic systems. The pump includes the volute and is built for circulating water in heating and cooling applications.

Where to buy the ARMSTRONG Hydronic Circulating Pump worldwide?

3G Electric supplies the ARMSTRONG Hydronic Circulating Pump worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the 116439MF-132 pump.

How to install the ARMSTRONG inline circulator pump?

Install the ARMSTRONG inline circulator pump with the shaft horizontal and the electrical box accessible. Use flange gaskets and bolts for a leak-tight connection. Wire the 120V AC motor per local codes. Ensure proper system venting and check rotation direction before startup. Consult the manual for torque specs and alignment.

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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