122E3E80121151 | Circulator Pump | Cast Iron | 1/4 HP | 115V | Single Phase | 1725 RPM | Flanged | 125 PSI Max Press. | Series 122 | Taco (OBSOLETE)

DISCONTINUED MODEL, CONTACT TECHNICAL SUPPORT FOR REPLACEMENT OPTIONS

Circulator Pump | Cast Iron | 1/4 HP | 115V | Single Phase | 1725 RPM | Flanged | 125 PSI Max Press. | Series 122

With millions in service and backed by more than five decades of experience, Taco 121-138 Series In-Line Circulators have earned their reputation for proven performance and dependable, quiet operation. These 121-138 Series In-Line Circulators are designed to efficiently circulate heated or chilled water in a full range of  residential and commercial hydronic and solar systems. You can also use the 121-138 Series In-Line Circulators for zoning large installations, for primary-secondary systems and for parallel pumping designs. These rugged workhorses are available in sizes and configurations to meet all your needs, including stainless steel construction for fresh water service.

Performance Data

Features

Applications

Taco 100 Series three piece circulator pumps are designed to efficiently circulate heated or chilled water in largeresidential and commercial hydronic systems. They are ideal for primary-secondary systems, as well as parallel pumpingdesigns.

Features:

• Proven Performance: In-Line CartridgeDesign Pumps are backed by years of Taco experience in design and manufacture of circulators. Hundreds ofthousands are in service.
• Dependable, Quiet Operation: In-Line Cartridge Design Pumps offer quiet dependable pumping power and long lasting performance. Ideal for heating and/or air conditioningsystems requiring high head performance, pressure boosting, and recirculation systems with relativelylow volume.
• Unique Cartridge Design: Replaceable "cooler running" bearing cartridge extends bearing life. With permanently sealed grease lubricated ball bearings, it is virtually maintenance free.
• Cartridge Bearing Assembly: Cartridge design isolates the bearings from the effects of system fluid temperatures which greatly extends bearing life.
• Mechanical Seal: Two piece carbon/ceramic sealis standard. Sealide-C/FKM available for hightemperature and aggressive water applications
• Alloy steel shaft, Cupro-Nickel shaft sleeve
• In-Line configuration
• Impeller: Dynamically and hydraulically balanced
• Drive Coupling: Rugged flexible rubberconstruction absorbs angular and parallel misalignment
• Rugged Motor: Open-drip proof enclosure, Equipped with sleeve bearings for quiet operation, Resilient mounted, Built-in overload protector on single phase models
• Factory Tested: Every pump is built to HydraulicInstitute standards and operated before shipment
• Easy Low-Cost Service: No special tools required, One cartridge bearing assembly fits all models - replace cartridgeonly, not bracket. One mechanical seal fits all models.