Stiebel Eltron CF Plus 18 kW (208V) 3-Phase Commercial Tankless Water Heater
The Stiebel Eltron CF Plus 18 kW (208V) is an industrial-strength, 3-phase electric tankless water heater designed for high-demand commercial environments. Part of the innovative "Hot Start" series, this unit utilizes an internal heat maintenance system to provide immediate hot water delivery. This technology eliminates the initial "cold water lag" often associated with tankless units, making the CF-Plus-018-208 a perfect fit for circulation loops and high-frequency use applications where performance cannot be compromised.
Technical & Electrical Specifications
Engineered for 208V 3-phase Delta configurations, this model provides high-output heating with sophisticated modulation.
- Power Output: 18.0 kW at 208V.
- Amperage: 49.96 Amps.
- Breaker Requirement: 60A (3-Pole).
- Temperature Rise: Delivers a substantial 61°F rise at 2 gpm and a 41°F rise at 3 gpm.
- Activation Rate: Activates at 0.7 gpm, allowing for precise performance even with low-flow fixtures.
- Operating Pressure: Rated for a maximum of 150 psi.
Engineering & Construction
- 316L Stainless Steel Heat Exchanger: The core of the unit is constructed from premium 316L stainless steel, offering maximum resistance to scaling and corrosion in harsh commercial water conditions.
- Electronic Closed-Loop Control: Advanced microprocessor technology monitors flow and temperature sensors to modulate heating elements in real-time, resulting in up to 20% energy savings by eliminating standby heat loss.
- NEMA 3 Enclosure: Standardized with a rugged NEMA 3 enclosure for high-tier protection. For specialized environments, NEMA 4 and 4X options are available for wash-down or corrosive atmosphere applications.
- Integrated Safety Systems: Features an automatic air vent, a lead-free brass pressure relief valve, and four levels of over-temperature protection.
- User Control: Includes factory-programmed setpoints that are 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: Protected by a 6-year leakage warranty and a 2-year warranty on materials and workmanship.
- Origin: Proudly made in the USA.
For the best pricing or to request a volume quote on the Stiebel Eltron CF-Plus-018-208, shop online at ProDryers or call today for expert assistance with your project specifications.
Download the C Series Commercial Options List
