Stiebel Eltron CF Plus 81 kW (480V Delta) 3-Phase Commercial Tankless Water Heater
The Stiebel Eltron CF Plus 81 kW (480V Delta) is a high-capacity, industrial-grade thermal solution engineered for large-scale commercial environments requiring absolute reliability and massive power density. As part of the elite "Hot Start" series, this unit features a specialized internal heat maintenance system that provides instantaneous hot water delivery, effectively eliminating startup lag and the "cold water sandwich" effect. The CF-Plus-081-480 is the definitive choice for large-scale circulation loops, high-volume multi-fixture handwashing banks, and mission-critical industrial processes where thermal consistency is paramount.
Performance & Electrical Specifications
Specifically optimized for 480V 3-phase Delta electrical systems, this model utilizes sophisticated microprocessor modulation to manage its immense power output with surgical precision.
- Power Output: 81.07 kW at 480V.
- Amperage: 97.52 Amps.
- Breaker Requirement: 110A (3-Pole).
- Temperature Rise: Capable of delivering a staggering 55°F rise at 10 gpm and a robust 28°F rise at 20 gpm.
- Activation Rate: Reliable activation at 2.7 gpm (for DN 25 flowmeter models), ensuring high-precision performance even in high-flow commercial applications.
- Max Flow Rate: Robust internal engineering supports massive flow requirements up to 40 gpm at 60 psi.
Engineering & Durability
- 316L Stainless Steel Heat Exchanger: Constructed with a premium 316L stainless steel heat exchanger and pipe connections, providing elite-level resistance to corrosion, thermal stress, and mineral scaling.
- Advanced Microprocessor Modulation: Features electronic closed-loop controls that monitor flow and temperature sensors in real-time. This intelligent modulation ensures only the minimum number of heating elements (18 total) are activated to satisfy demand, maximizing efficiency.
- Industrial Protection: Standardized with a NEMA 3 enclosure for superior protection. For specialized environments, NEMA 4 and 4X options are available for wash-down or highly corrosive areas.
- Integrated Safety: Equipped with an integrated automatic air vent and a lead-free brass pressure relief valve.
- Adjustable Precision: Setpoints are factory-calibrated but fully user-adjustable from 60°F to 180°F (16°C to 82°C) to meet specific building codes or industrial requirements.
Compliance & Quality Assurance
- Standards: Certified to ANSI/UL Std. 499 and conforms to CAN/CSA Std. C22.2 No.88.
- Warranty: Includes a 6-year leakage warranty and a 2-year warranty on parts and materials.
- Origin: Proudly manufactured in the USA.
Buy at the best price or request a professional volume quote for your facility today. Shop online at ProDryers or call 888-503-7937 to secure the Stiebel Eltron CF-Plus-081-480 for your next high-demand commercial project.
Download the C Series Commercial Options List
