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ARMSTRONG Hydronic Circulating Pump: 5/16 hp HP, 230V AC, Cast Iron, 3, 32 gpm, 31 ft Max. Head - General-Purpose Inline Circulator Pumps
ARMSTRONGGeneral-Purpose Inline Circulator Pumps

ARMSTRONG Hydronic Circulating Pump: 5/16 hp HP, 230V AC, Cast Iron, 3, 32 gpm, 31 ft Max. Head

The ARMSTRONG Hydronic Circulating Pump (5/16 hp HP, MPN 110223-322) is a general-purpose inline circulator pump for hydronic systems. It features a 230V AC nameplate voltage, flange connections, and a cast iron…

SKU 3G-OTH-83015

Also listed as: 110223322 · 110223 322

Brand
ARMSTRONG
Item
Hydronic Circulating Pump: 5/16 hp HP, 230V AC, Cast Iron, 3, 32 gpm, 31 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
110223-322
Type
Cast Iron, 3, 32 gpm, Inline
AC
230V
Max. Head
31 ft
System Type
Hydronic
Connection Type
Flange
Includes Volute
No Volute Included
Nameplate Voltage
230V AC

Technical Documents

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

Product Description

The ARMSTRONG Hydronic Circulating Pump (5/16 hp HP, MPN 110223-322) is a general-purpose inline circulator pump for hydronic systems. It features a 230V AC nameplate voltage, flange connections, and a cast iron construction, delivering 32 gpm at 31 ft max. head. This model does not include a volute.

Frequently Asked Questions

What is the ARMSTRONG Hydronic Circulating Pump used for?

The ARMSTRONG Hydronic Circulating Pump (MPN 110223-322) is used to circulate hot water or other hydronic fluids in closed-loop heating and cooling systems. Common applications include commercial and industrial HVAC systems, boiler loops, and radiant heating networks where reliable fluid movement is required.

What are the specifications of the ARMSTRONG Hydronic Circulating Pump 110223-322?

This ARMSTRONG pump has a 5/16 hp motor, 230V AC nameplate voltage, and cast iron construction. It delivers 32 gpm at 31 ft max. head with flange connections. The system type is hydronic, and it does not include a volute. The manufacturer part number is 110223-322.

Where to buy the ARMSTRONG Hydronic Circulating Pump worldwide?

3G Electric supplies the ARMSTRONG Hydronic Circulating Pump (MPN 110223-322) 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.

How to install the ARMSTRONG Hydronic Circulating Pump?

Install the ARMSTRONG pump inline with flange connections, ensuring proper alignment and support. Verify the 230V AC power supply matches the nameplate. Use a strainer upstream to protect the pump. Follow standard hydronic installation practices and consult the manufacturer's manual for torque and wiring details.

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, 32 gpm, 31 ft Max. Head, Inline (MPN 110223-320)
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Hydronic Circulating Pump: 1/8 hp HP, 115V AC, Cast Iron, 3, 18 gpm, 18 ft Max. Head, Inline (MPN 110223-305)
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Circulating Pump: 5/16 hp HP, 230V AC, Stainless Steel, 3, 31 gpm, 31 ft Max. Head, Inline (MPN 110223-323)
Circulating Pump: 5/16 hp HP, 115V AC, Stainless Steel, 3, 64 gpm, 14 ft Max. Head, Inline (MPN 110223-329)
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Circulating Pump: 5/16 hp HP, 115V AC, Stainless Steel, 3, 64 gpm, 14 ft Max. Head, Inline (MPN 110223-329)
Circulating Pump: 1/6 hp HP, 115V AC, Stainless Steel, 3, 18 gpm, 24 ft Max. Head, Inline (MPN 110223-308)
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Circulating Pump: 1/6 hp HP, 115V AC, Stainless Steel, 3, 18 gpm, 24 ft Max. Head, Inline (MPN 110223-308)

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