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ARMSTRONG Hydronic Circulating Pump: 2/5 hp HP, 120V AC, Cast Iron, 1, 128 gpm, 22 ft Max. Head - General-Purpose Inline Circulator Pumps
ARMSTRONGGeneral-Purpose Inline Circulator Pumps

ARMSTRONG Hydronic Circulating Pump: 2/5 hp HP, 120V AC, Cast Iron, 1, 128 gpm, 22 ft Max. Head

The ARMSTRONG Hydronic Circulating Pump (MPN 182212-645) is a general-purpose inline circulator pump designed for potable water systems. This 2/5 hp unit operates at 120V AC, delivers up to 128 gpm, and achieves a…

SKU 3G-OTH-83786

Also listed as: 182212645 · 182212 645

Brand
ARMSTRONG
Item
Hydronic Circulating Pump: 2/5 hp HP, 120V AC, Cast Iron, 1, 128 gpm, 22 ft Max. Head
Category
General-Purpose 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
182212-645
Type
Cast Iron, 1, 128 gpm, Inline
AC
120V
Max. Head
22 ft
System Type
Potable Water
Connection Type
Flange
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 Hydronic Circulating Pump (MPN 182212-645) is a general-purpose inline circulator pump designed for potable water systems. This 2/5 hp unit operates at 120V AC, delivers up to 128 gpm, and achieves a maximum head of 22 ft. It features flange connections and a cast iron construction, with no volute included.

Frequently Asked Questions

What is the Armstrong 182212-645 hydronic circulating pump used for?

The Armstrong 182212-645 is a general-purpose inline circulator pump designed for potable water systems. It is commonly used in hydronic heating and domestic water circulation applications where a 2/5 hp, 120V AC motor with up to 128 gpm flow and 22 ft max head is required.

What are the specifications of the Armstrong 182212-645 pump?

The Armstrong 182212-645 is a 2/5 hp hydronic circulating pump with a 120V AC motor, cast iron construction, and flange connections. It delivers up to 128 gpm at a maximum head of 22 ft. It is designed for potable water systems and does not include a volute.

Where to buy the Armstrong 182212-645 pump worldwide?

3G Electric supplies the Armstrong 182212-645 hydronic circulating pump to customers 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 pump.

How to install an Armstrong inline circulator pump?

Install the Armstrong inline circulator pump with flange connections aligned to the piping. Ensure the pump is mounted with the shaft horizontal and the electrical box accessible. Use a strainer upstream to protect the impeller. Follow Armstrong's manual for wiring and priming procedures.

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 general-purpose 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: 2/5 hp HP, 120V AC, Cast Iron, 1, 84 gpm, 36 ft Max. Head, Inline (MPN 182212-651)
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Hydronic Circulating Pump: 2/5 hp HP, 120V AC, Cast Iron, 1, 84 gpm, 36 ft Max. Head, Inline (MPN 182212-651)
Hydronic Circulating Pump: 2/5 hp HP, 240V AC, Cast Iron, 1, 84 gpm, 36 ft Max. Head (MPN 182212-610)
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Hydronic Circulating Pump: 2/5 hp HP, 240V AC, Cast Iron, 1, 84 gpm, 36 ft Max. Head (MPN 182212-610)
Circulating Pump: 2/5 hp HP, 240V AC, Bronze, 1, 128 gpm, 22 ft Max. Head, 8 1/2 in Face to Face (MPN 182212-605)
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Circulating Pump: 2/5 hp HP, 240V AC, Bronze, 1, 128 gpm, 22 ft Max. Head, 8 1/2 in Face to Face (MPN 182212-605)
Circulating Pump: 2/5 hp HP, 120V AC, Bronze, 1, 84 gpm, 36 ft Max. Head, 8 1/2 in Face to Face (MPN 182212-652)
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Circulating Pump: 2/5 hp HP, 120V AC, Bronze, 1, 84 gpm, 36 ft Max. Head, 8 1/2 in Face to Face (MPN 182212-652)
Circulating Pump: 2/5 hp HP, 120V AC, Bronze, 1, 128 gpm, 22 ft Max. Head, 8 1/2 in Face to Face (MPN 182212-646)
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Circulating Pump: 2/5 hp HP, 120V AC, Bronze, 1, 128 gpm, 22 ft Max. Head, 8 1/2 in Face to Face (MPN 182212-646)
Hydronic Circulating Pump: 5/16 hp HP, 115V AC, Cast Iron, 3, 64 gpm, 14 ft Max. Head, Inline (MPN 110223-328)
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Hydronic Circulating Pump: 5/16 hp HP, 115V AC, Cast Iron, 3, 64 gpm, 14 ft Max. Head, Inline (MPN 110223-328)

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Circulating Pump: 5/16 hp HP, 115V AC, Stainless Steel, 3, 31 gpm, 31 ft Max. Head, Inline (MPN 110223-321)
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Hydronic Circulating Pump: 2/5 hp HP, 240V AC, Cast Iron, 1, 128 gpm, 22 ft Max. Head (MPN 182212-604)
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