The MPN 0015-MSF3-IFC represents Taco's commitment to delivering exceptional hydronic heating performance through advanced centrifugal pump technology engineered specifically for medium-flow, medium-head applications. This cast iron circulator flange assembly operates across flow ranges from zero to eighteen gallons per minute while generating maximum head pressures reaching seventeen feet, powered by a robust 1/20 horsepower permanent split capacitor motor that draws between 0.71 and 0.98 amperes depending on selected speed settings. The unit's physical dimensions measure exactly 6-3/8 inches flange-to-flange height, 6-1/2 inches width, and 5-3/8 inches depth, creating an installation footprint that accommodates standard boiler room configurations while maintaining exceptional accessibility for maintenance procedures. Engineered thermal parameters permit liquid circulation from minimum temperatures of forty degrees Fahrenheit through maximum operating conditions reaching 230 degrees Fahrenheit, with system pressure tolerance extending to 125 pounds per square inch across all operational modes. Tri-Speed Dial Switching Mechanism & Precision Hydronic System Calibration The distinctive three-position speed selector integrated into MPN 0015-MSF3-IFC enables contractors to fine-tune circulator performance across High, Medium, and Low operational curves without requiring component replacement or extensive system reconfiguration. Speed one operates at 0.71 amperes delivering conservative energy consumption for minimal friction loss scenarios, while speed two increases electrical draw to 0.82 amperes for intermediate resistance conditions commonly encountered in balanced loop designs. Maximum performance speed three consumes 0.98 amperes while spinning the impeller at 3,250 revolutions per minute, generating sufficient pressure differential to overcome extensive pipe runs, multiple heat exchangers, and complex manifold arrangements found in contemporary underfloor heating installations. This adjustable voltage delivery system allows plumbing contractors to match pump output precisely to calculated heat loads ranging from small residential zones requiring minimal circulation through large open-floor residential applications demanding consistent seventeen-foot head generation capabilities. The switching mechanism mounts externally on the motor housing for tool-free adjustment during commissioning procedures, eliminating risks associated with internal component manipulation while system water remains pressurized. Cast Iron Casing Construction & De-Oxygenated Water Compatibility Engineering MPN 0015-MSF3-IFC employs grade-specific cast iron throughout the volute housing and flange assembly, material selection optimized exclusively for closed-loop hydronic systems where de-oxygenated water prevents corrosion initiation across multi-decade service intervals. The iron casting process creates exceptionally smooth internal waterway surfaces that minimize turbulence-induced friction while the material's inherent thermal mass assists in dampening pressure pulsations generated during pump startup sequences. Four-bolt universal flange configuration measures standard dimensions compatible with 3/4-inch, one-inch, 1-1/4-inch, and 1-1/2-inch companion flange sets, providing installation flexibility across diverse pipe sizing applications without requiring adapter procurement. Cast iron's superior vibration dampening characteristics reduce noise transmission through rigid piping connections, particularly important for circulators mounted in proximity to occupied living spaces where operational silence remains paramount. This material choice delivers exceptional longevity in heating system applications where consistent water chemistry maintenance eliminates oxygen introduction, with properly maintained installations commonly exceeding fifteen-year service lives without casing degradation. Removable Uni-Body Integral Flow Check Mechanism & Gravity Flow Prevention Technology The patented spring-loaded IFC assembly positioned within discharge port of this specific 0015-MSF3-IFC model prevents thermosiphoning and reverse flow conditions without requiring separate in-line check valve installation, reducing system complexity and installed component costs. This internal check mechanism employs tension-calibrated springs
Visit Product Page
