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ARMSTRONG Hydronic Circulating Pump: 1/8 hp HP, 115V AC, Cast Iron, 3, 18 gpm, 18 ft Max. Head - General-Purpose Inline Circulator Pumps
ARMSTRONGGeneral-Purpose Inline Circulator Pumps

ARMSTRONG Hydronic Circulating Pump: 1/8 hp HP, 115V AC, Cast Iron, 3, 18 gpm, 18 ft Max. Head

The ARMSTRONG Hydronic Circulating Pump (MPN 110223-305) is a general-purpose inline circulator pump with a 1/8 hp motor and 115V AC nameplate voltage. It delivers up to 18 gpm at 18 ft max. head, features flange…

SKU 3G-OTH-82772

Also listed as: 110223305 · 110223 305

Brand
ARMSTRONG
Item
Hydronic Circulating Pump: 1/8 hp HP, 115V AC, Cast Iron, 3, 18 gpm, 18 ft Max. Head
Category
General-Purpose Inline Circulator Pumps
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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
110223-305
Type
Cast Iron, 3, 18 gpm, Inline
AC
115V
Max. Head
18 ft
System Type
Hydronic
Connection Type
Flange
Includes Volute
No Volute Included
Nameplate Voltage
115V AC

Technical Documents

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

Product Description

The ARMSTRONG Hydronic Circulating Pump (MPN 110223-305) is a general-purpose inline circulator pump with a 1/8 hp motor and 115V AC nameplate voltage. It delivers up to 18 gpm at 18 ft max. head, features flange connections, and is constructed with cast iron. This pump is designed for hydronic systems and does not include a volute.

Frequently Asked Questions

What is the ARMSTRONG Hydronic Circulating Pump used for?

The ARMSTRONG Hydronic Circulating Pump (MPN 110223-305) is used to circulate water in closed-loop hydronic heating and cooling systems. It is ideal for commercial and industrial applications such as boiler loops, chilled water circuits, and radiant heating systems where reliable flow up to 18 gpm at 18 ft head is required.

What are the specifications of the ARMSTRONG 110223-305 pump?

This ARMSTRONG inline circulator pump has a 1/8 hp motor with 115V AC nameplate voltage. It delivers 18 gpm at 18 ft max. head, uses flange connections, and has a cast iron body. It is designed for hydronic systems and does not include a volute. The manufacturer part number is 110223-305.

Where to buy the ARMSTRONG 110223-305 pump worldwide?

3G Electric supplies the ARMSTRONG Hydronic Circulating Pump (110223-305) to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this pump.

How to install an ARMSTRONG inline circulator pump?

Install the ARMSTRONG pump with the shaft horizontal and the electrical junction box accessible. Use flange gaskets and bolts to connect to the piping. Wire the 115V AC motor per local codes, ensuring proper grounding. Purge air from the system before startup. Always follow the manufacturer's installation manual for torque 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 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: 5/16 hp HP, 115V AC, Cast Iron, 3, 64 gpm, 14 ft Max. Head, Inline (MPN 110223-328)
ARMSTRONG
Hydronic Circulating Pump: 5/16 hp HP, 115V AC, Cast Iron, 3, 64 gpm, 14 ft Max. Head, Inline (MPN 110223-328)
Hydronic Circulating Pump: 5/16 hp HP, 115V AC, Cast Iron, 3, 32 gpm, 31 ft Max. Head, Inline (MPN 110223-320)
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Hydronic Circulating Pump: 5/16 hp HP, 115V AC, Cast Iron, 3, 32 gpm, 31 ft Max. Head, Inline (MPN 110223-320)
Hydronic Circulating Pump: 5/16 hp HP, 230V AC, Cast Iron, 3, 32 gpm, 31 ft Max. Head, Inline (MPN 110223-322)
ARMSTRONG
Hydronic Circulating Pump: 5/16 hp HP, 230V AC, Cast Iron, 3, 32 gpm, 31 ft Max. Head, Inline (MPN 110223-322)
Circulating Pump: 1/6 hp HP, 115V AC, Stainless Steel, 3, 18 gpm, 24 ft Max. Head, Inline (MPN 110223-308)
ARMSTRONG
Circulating Pump: 1/6 hp HP, 115V AC, Stainless Steel, 3, 18 gpm, 24 ft Max. Head, Inline (MPN 110223-308)
Circulating Pump: 1/8 hp HP, 115V AC, Stainless Steel, 3, 18 gpm, 18 ft Max. Head, Inline (MPN 110223-306)
ARMSTRONG
Circulating Pump: 1/8 hp HP, 115V AC, Stainless Steel, 3, 18 gpm, 18 ft Max. Head, Inline (MPN 110223-306)
Circulating Pump: 1/9 hp HP, 115V AC, Stainless Steel, 3, 14 gpm, 13 ft Max. Head, 6 in Face to Face (MPN 110223-310)
ARMSTRONG
Circulating Pump: 1/9 hp HP, 115V AC, Stainless Steel, 3, 14 gpm, 13 ft Max. Head, 6 in Face to Face (MPN 110223-310)

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Hydronic Circulating Pump: 2/5 hp HP, 120V AC, Cast Iron, 1, 128 gpm, 22 ft Max. Head, Inline (MPN 182212-645)
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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: 2/5 hp HP, 120V AC, Cast Iron, 1, 142 gpm, 26 ft Max. Head, Inline (MPN 182212-669)
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Circulating Pump: 1/6 hp HP, 120V AC, Bronze, 1, 40 gpm, 43 ft Max. Head, 6 13/32 in Face to Face (MPN 182202-660)
Hydronic Circulating Pump: 1/6 hp HP, 120V AC, Cast Iron, 1, 42 gpm, 28 ft Max. Head, Inline (MPN 182202-649)
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Hydronic Circulating Pump: 1/6 hp HP, 120V AC, Cast Iron, 1, 42 gpm, 28 ft Max. Head, Inline (MPN 182202-649)
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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Circulating Pump: 5/16 hp HP, 115V AC, Stainless Steel, 3, 31 gpm, 31 ft Max. Head, Inline (MPN 110223-321)