Stiebel Eltron CF Plus 18 kW (240V) 3-Phase Commercial Tankless Water Heater
The Stiebel Eltron CF Plus 18 kW (240V) is a high-performance, 3-phase electric tankless water heater engineered to meet the rigorous demands of commercial and industrial facilities. As a "Hot Start" series model, it features an internal heat maintenance system that ensures immediate hot water delivery. This eliminates the startup lag common in traditional tankless systems, making it an ideal choice for high-frequency use and circulation loops where consistent temperature is non-negotiable.
Performance & Electrical Specifications
Configured for 240V 3-phase Delta electrical systems, this unit provides powerful, precise heating through advanced electronic modulation.
- Power Output: 18.0 kW at 240V.
- Amperage: 43.30 Amps.
- Breaker Requirement: 50A or 60A (3-Pole).
- Temperature Rise: Provides a significant 61°F rise at 2 gpm and a 41°F rise at 3 gpm.
- Activation Rate: Reliable activation at a low 0.7 gpm, ensuring performance with water-saving fixtures.
- Flow Capacity: Robust design capable of handling up to 10.6 gpm at 60 psi.
Engineering & Durability
- 316L Stainless Steel Heat Exchanger: Constructed with a premium 316L stainless steel heat exchanger for maximum resistance to corrosion and mineral scaling, ensuring a long service life in commercial environments.
- Intelligent Modulation: The electronic closed-loop control system monitors flow and temperature sensors to adjust power consumption in real-time, delivering up to 20% energy savings compared to conventional tank heaters.
- Rugged Enclosure: Comes standard with a NEMA 3 enclosure for high-tier protection. Optional NEMA 4 and 4X enclosures are available for specialized wash-down or highly corrosive environments.
- Advanced Safety: Features four levels of over-temperature protection, an integrated automatic air vent, and a lead-free brass pressure relief valve.
- Adjustable Temperature: Factory-set for precision, but allows for user-adjustable setpoints ranging from 60°F to 180°F.
Compliance & Quality Assurance
- Standards: Certified to ANSI/UL Std. 499 and conforms to CAN/CSA Std. C22.2 No.88.
- Warranty: Supported by a 6-year warranty against leakage and a 2-year warranty on all parts and workmanship.
- Origin: Proudly manufactured in the USA.
For the best pricing or to request a volume quote for your facility, shop online at ProDryers or call today to secure the Stiebel Eltron CF-Plus-018-240 for your next commercial project.
Download the C Series Commercial Options List
