Armstrong 410133-244 Circulating Pump 705S Bronze Impeller

High-oxygen hydronic systems use Armstrong 410133-244 705S for medium-head circulation where bronze hydraulic components support material selection. Its 1/4 HP, 115 V single-phase motor operates at 1725 RPM through a cast iron body, bronze impeller, bronze shaft sleeve, and oil-lubricated sleeve bearings. Confirm water chemistry, bearing lubrication, motor rotation, and the system curve before startup.

The Armstrong Series 700 705S Bronze Fitted uses a bronze non-ferrous impeller and bronze sleeve within a cast iron pump body. Its oil-lubricated sleeve bearings require scheduled maintenance, while verified data does not include GPM, maximum head, amp draw, seal material, connection size, operating temperature, dimensions, weight, thermal protection, or self-priming capability. Match the pump to the approved hydronic duty point before installation.

Key Features of Armstrong 410133-244 705S Bronze Impeller

- 1/4 HP motor supports medium-head hydronic circulation and secondary heating systems.
- 115 V single-phase operation suits compatible residential and commercial heating circuits.
- 1725 RPM operation supports the specified Series 700 pump configuration.
- Cast iron body provides a rigid housing for hydronic circulation.
- Bronze non-ferrous impeller supports compatible high-oxygen hydronic systems.
- Bronze shaft sleeve helps protect the rotating shaft interface during operation.
- Oil-lubricated sleeve bearings require periodic maintenance according to approved instructions.
- Flow, head, amperage, seal, connections, temperature, dimensions, weight, protection, and warranty require confirmation.

Why Choose Armstrong 410133-244 705S Bronze Impeller

This Armstrong bronze-fitted circulator combines single-phase power with serviceable sleeve-bearing construction for compatible hydronic loops.

- Build: Cast iron, bronze impeller, bronze sleeve, and oil-lubricated bearings support selected hydronic applications.
- Value: Bronze hydraulic components can support material compatibility where oxygen levels require careful pump selection.
- Audience: Hydronic contractors, boiler technicians, HVAC installers, facility maintenance teams, and commercial heating specialists can specify this model.

Applications & Use Cases

Use the Armstrong 410133-244 705S for medium-head hydronic circulation, high-oxygen secondary loops, commercial heating, and compatible boiler systems. Physical dimensions, unit weight, and connection reach were not supplied, so verify pipe spacing, valve clearance, oiling access, motor wiring, lifting room, and service clearance before installation.

Warranty & Support

- Warranty: Armstrong USA general terms provide 12 months from installation, not exceeding 18 months from shipment, for applicable non-E.2 products.
- Confirm water chemistry, purge air, lubricate bearings, inspect the bronze sleeve, and verify 115 V operation during commissioning.

Clean strainers, inspect the bronze impeller, check bearing lubrication, and monitor the cast iron body for leakage during scheduled service. Purchase the Armstrong 410133-244 705S bronze impeller circulating pump from Mulmotor.com for authentic equipment, applicable factory warranty protection, and pump support.