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ARMSTRONGIntelligent Inline Circulator Pumps

ARMSTRONG Intelligent Inline Circulator Pump

The ARMSTRONG HVAC Circulating Pump: 1/6 hp HP is an intelligent inline circulator pump designed for potable water systems. It operates with a 120V AC nameplate voltage, features union connections, and delivers 20…

SKU 3G-OTH-84624

Also listed as: 180203684 · 180203 684

Brand
ARMSTRONG
Item
Intelligent Inline Circulator Pump
Part Number
180203-684
Category
Intelligent Inline Circulator Pumps
Available to Order
Also known as:180203-684ARMSTRONG
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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
180203-684
Type
Stainless Steel, Variable, 20 gpm
AC
120V
Max. Head
20 ft
System Type
Potable Water
Connection Type
Union
Includes Volute
No Volute Included
Nameplate Voltage
120V AC

Technical Documents

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

Product Description

The ARMSTRONG HVAC Circulating Pump: 1/6 hp HP is an intelligent inline circulator pump designed for potable water systems. It operates with a 120V AC nameplate voltage, features union connections, and delivers 20 gpm at 20 ft max head. This model (MPN 180203-684) is constructed with stainless steel and does not include a volute.

Frequently Asked Questions

What is the ARMSTRONG HVAC Circulating Pump used for?

The ARMSTRONG HVAC Circulating Pump is used to circulate potable water in residential and commercial hydronic heating systems. Its stainless steel construction and variable-speed operation make it suitable for closed-loop applications requiring precise flow control up to 20 gpm at 20 ft max head.

What are the specifications of the ARMSTRONG 180203-684 pump?

The ARMSTRONG 180203-684 is a 1/6 hp intelligent inline circulator with 120V AC nameplate voltage, union connections, and stainless steel construction. It delivers 20 gpm at 20 ft max head for potable water systems. No volute is included.

Where to buy the ARMSTRONG HVAC Circulating Pump worldwide?

3G Electric supplies the ARMSTRONG HVAC Circulating Pump worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this model (MPN 180203-684).

How to install an ARMSTRONG intelligent inline circulator pump?

Install the ARMSTRONG pump with union connections for easy service. Ensure the pump is mounted in the correct orientation per the manual, with proper electrical supply at 120V AC. Use dielectric unions to prevent galvanic corrosion in potable water systems. Always follow local codes.

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
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ARMSTRONG Products

3G Electric supplies ARMSTRONG intelligent 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
This ARMSTRONG general-purpose inline circulator pump is designed for potable water systems. It operates at 120V AC with a flow rate of 10 gpm and a maximum head of 5 ft, featuring a 6-inch face-to-face dimension and union connections. The pump is constructed with stainless steel and does not include a volute
ARMSTRONG
This ARMSTRONG general-purpose inline circulator pump is designed for potable water systems. It operates at 120V AC with a flow rate of 10 gpm and a maximum head of 5 ft, featuring a 6-inch face-to-face dimension and union connections. The pump is constructed with stainless steel and does not include a volute
ARMSTRONG
ARMSTRONG
This general-purpose inline circulator pump is designed for potable water systems in hydronic heating and domestic water loops. It features a bronze construction, flange connections, and delivers 32 gpm at 29 ft max head with a 6 13/32 in face-to-face dimension. No volute is included
ARMSTRONG
ARMSTRONG
This ARMSTRONG inline circulator pump is designed for potable water systems in closed-loop hydronic heating or cooling applications. It features a bronze construction with flange connections, delivering 38 gpm at a maximum head of 34 ft. The pump operates on 120V AC and has a 6 13/32 in face-to-face dimension. No volute is included

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Variable-speed inline circulator pump for hydronic systems. Ductile iron construction with flange connections and included volute. Delivers up to 45 gpm at 40 ft max head. Operates on 230V AC
This intelligent inline circulator pump from ARMSTRONG is designed for potable water systems. It features a cast iron construction, variable speed operation, and a flange connection. The pump delivers 20 gpm at 20 ft maximum head, powered by a 115V AC motor. Note: volute not included
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This intelligent inline circulator pump from ARMSTRONG is designed for potable water systems. It features a cast iron construction, variable speed operation, and a flange connection. The pump delivers 20 gpm at 20 ft maximum head, powered by a 115V AC motor. Note: volute not included
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Ductile iron variable-speed circulator pump for hydronic systems. Flange connections, volute included. Delivers up to 75 gpm at 20 ft maximum head. 120V AC nameplate voltage

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