Stiebel Eltron CF Plus 18 kW (480V Delta) 3-Phase Commercial Tankless Water Heater
The Stiebel Eltron CF Plus 18 kW (480V Delta) is an industrial-grade, 3-phase electric tankless water heater specifically designed for facilities with a 3-phase Delta electrical configuration. As part of the high-performance "Hot Start" series, this unit features an internal heat maintenance system that provides immediate hot water delivery. By eliminating the startup lag and the "cold water sandwich" effect, the CF-Plus-018-480D ensures a consistent, high-temperature supply for circulation loops and demanding commercial applications.
Performance & Electrical Specifications
Engineered for 480V 3-phase Delta systems, this model offers powerful heating capacity with precise electronic control.
- Power Output: 18.0 kW at 480V.
- Amperage: 21.65 Amps.
- Breaker Requirement: 25A (3-Pole).
- Temperature Rise: Provides an impressive 123°F rise at 1 gpm and a 61°F rise at 2 gpm.
- Activation Rate: Reliable activation at just 0.7 gpm, making it compatible with water-efficient commercial fixtures.
- Maximum Flow Rate: Capable of managing up to 10.6 gpm at 60 psi.
Engineering & Construction
- 316L Stainless Steel Heat Exchanger: The unit is built with a premium 316L stainless steel heat exchanger, offering maximum resistance to thermal stress, corrosion, and mineral scaling.
- Intelligent Modulation: Advanced electronic closed-loop controls monitor flow rates and temperature setpoints to modulate power consumption in real-time. This efficiency can reduce energy costs by up to 20% compared to traditional tank heaters.
- Industrial-Grade Enclosure: Standardized with a NEMA 3 enclosure for high-tier protection. NEMA 4 and 4X options are available for wash-down areas or highly corrosive environments.
- Safety Integration: Features four levels of over-temperature protection, an integrated air vent, and a lead-free brass pressure relief valve for safe, long-term operation.
- Thermal Precision: Setpoints are factory programmed and fully user-adjustable from 60°F to 180°F.
Compliance & Quality
- Standards: Certified to ANSI/UL Std. 499 and conforms to CAN/CSA Std. C22.2 No.88.
- Warranty: Supported 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 volume quote for your industrial or commercial facility, shop online at ProDryers or call today for expert assistance with the Stiebel Eltron CF-Plus-018-480D.
Download the C Series Commercial Options List
