Armstrong Fluid Technology 110223-307 Pump

The Armstrong Fluid Technology 110223-307 is a high-performance Astro 250CI model, serving as the 115Vac direct replacement for 110123-007. Engineered for closed hydronic heating and cooling systems, this three-speed circulator pump features a robust cast iron volute with an internal e-coating for superior corrosion resistance and long-term reliability. Its maintenance-free design eliminates the need for mechanical seals or lubrication, utilizing ceramic bearings and a ceramic shaft to ensure exceptionally quiet operation.

Operating with a 0.98 Full Load Amps draw and 117 Watts of power, this hydronic circulator pump delivers a maximum flow of 18 GPM and up to 24 feet of head pressure. The Armstrong Astro 250CI is designed for versatility, featuring a standard flanged connection compatible with 3/4", 1", 1 1/4", or 1 1/2" piping. It includes a pre-installed, high-flow check valve that can be removed if necessary. With a maximum fluid temperature rating of 230°F and 150 psi working pressure, it is the ideal solution for radiant floor heating, baseboards, and fan coil applications.

Key Benefits:

• Field-Selectable Speeds: Three-speed functionality allows for precise performance matching across various single and multi-zone applications.
• Maintenance-Free Operation: No mechanical seals to leak or lubrication required, reducing long-term service costs.
• Enhanced Corrosion Protection: Internal e-coating on the cast iron body prevents rust and sediment buildup within the system.
• Universal Compatibility: Standard flange-to-flange dimensions and bolt-hole spacing ensure easy exchange with competing models.
• Quiet Performance: Wet-rotor technology with ceramic components ensures nearly silent operation for residential comfort.

Common Questions:

Does this pump include the required flanges?
No, flanges are sold separately. This unit is compatible with standard 2-bolt flange kits ranging from 3/4" to 1 1/2" in size.

Can I use this for a potable water system?
No, the 250CI is a cast iron model designated for closed-loop hydronic systems only. For potable water, a stainless steel or bronze model is required.

Is the check valve removable?
Yes, the high-flow check valve is pre-installed for convenience but can be removed in seconds if your system does not require it.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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