Grundfos UPS26-99FC Circulator Pump 52722512
Grundfos UPS26-99FC Circulator Pump 52722512
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Grundfos UPS26-99FC (52722512) 3-Speed Cast Iron Circulator Pump with Check Valve
Engineered for versatile hydronic heating performance and energy-efficient fluid circulation, the Grundfos UPS26-99FC (Part Number 52722512) is a high-performance, 3-speed wet-rotor circulator pump designed for closed-loop hydronic systems, radiant floor heating, fan coils, and boiler loops. Featuring a 2-bolt flanged connection, a 1/6 HP motor running on 115V single-phase power, and an integrated removable check valve, this cast iron pump offers maximum system flexibility.
The UPS26-99FC features a multi-speed control switch that allows contractors and system designers to select between three speed settings (Low, Medium, and High) to precisely match system head loss and flow requirements. Built with a corrosion-resistant composite impeller, ceramic radial bearings, and a stainless steel rotor can, this unit provides quiet, maintenance-free operation and long-term durability.
Key System Performance Baselines:
- 3-Speed Built-In Versatility: Adjustable 3-speed motor selector allows precise system matching, replacing over 15 competitive pump models with a single unit.
- Integrated Flow Check (FC): Equipped with a removable spring-loaded check valve to prevent unwanted gravity circulation and backflow without extra fittings.
- Wet-Rotor Maintenance-Free Design: Self-lubricating pump construction eliminates mechanical seal maintenance and shaft couplers.
- Whisper-Quiet Operation: Engineered for sound-sensitive commercial and residential closed-loop heating applications.
⚠️ Application Profile: Designed for closed-loop hydronic heating systems, radiant floor heating, baseboards, radiators, fan coils, snow-melting loops, and solar heating lines requiring up to 33 GPM flow and 29 FT head up to 145 PSI. (Not for potable water use).
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 52722512 |
| Model Designation | UPS26-99FC (SuperBrute Series) |
| Connection Type / Size | 2-Bolt Flanged (GF 15/26 Flange) |
| Port-to-Port Dimension | 6.5 Inches (165 mm) |
| Motor Horsepower / Speeds | 1/6 HP (3 Speeds: High / Med / Low) |
| Electrical Characteristics | 115V / 1-Phase / 60 Hz (1.8A Max) |
| Max Flow Rate / Max Head | 33 GPM / 29 Feet Head |
| Housing Material | Cast Iron (EN-GJL-200 / ASTM A48-30B) |
| Max Working Pressure / Temp | 145 PSI (10 bar) / 36°F to 230°F |
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