Stiebel Eltron CF Plus 18 kW (480V Wye) 3-Phase Commercial Tankless Water Heater
The Stiebel Eltron CF Plus 18 kW (480V) is an industrial-grade, 3-phase electric tankless water heater designed for precision performance in demanding commercial environments. As a cornerstone of the "Hot Start" series, this unit features an internal heat maintenance system that provides immediate hot water delivery. This advanced engineering eliminates the startup delays and "cold water sandwich" effect typical of standard tankless units, making it the premier choice for circulation loops and high-demand applications.
Performance & Electrical Specifications
Engineered for 480V 3-phase Wye configurations, this unit delivers high-capacity heating with maximum electrical efficiency.
- Power Output: 18.0 kW at 480V.
- Amperage: 21.65 Amps.
- Breaker Requirement: 30A (3-Pole).
- Temperature Rise: Delivers a powerful 123°F rise at 1 gpm and a 61°F rise at 2 gpm.
- Activation Rate: Reliable activation at a low 0.7 gpm for compatibility with low-flow fixtures.
- Flow Capacity: Engineered to manage flow rates up to 10.6 gpm at 60 psi.
Engineering & Durability
- 316L Stainless Steel Heat Exchanger: Built with a rugged 316L stainless steel heat exchanger, providing superior resistance to corrosion and scale buildup, even in harsh commercial water conditions.
- Microprocessor Modulation: Advanced electronic closed-loop controls monitor inlet/outlet temperatures and flow rates to modulate power consumption. This intelligent operation can reduce energy costs by up to 20% compared to traditional storage tank heaters.
- Industrial Enclosure: Standardized with a NEMA 3 enclosure for high-tier protection. NEMA 4 and 4X options are available for specialized wash-down or outdoor installations.
- Integrated Safety Systems: Equipped with four levels of over-temperature protection, an automatic air vent, and a lead-free brass pressure relief valve.
- Precision Control: Setpoints are factory programmed for accuracy but remain fully user-adjustable between 60°F and 180°F.
Compliance & Quality
- Standards: Certified to ANSI/UL Std. 499 and conforms to CAN/CSA Std. C22.2 No.88.
- Warranty: Protected by a 6-year leakage warranty and a 2-year warranty on parts and materials.
- Origin: Proudly manufactured in the USA.
For the best pricing or to request a professional volume quote, shop online at ProDryers or call today to secure the Stiebel Eltron CF-Plus-018-480Y for your commercial facility.
Download the C Series Commercial Options List
