Stiebel Eltron CF Plus 90 kW (480V Delta) 3-Phase Commercial Tankless Water Heater
The Stiebel Eltron CF Plus 90 kW (480V Delta) represents the pinnacle of high-output electric tankless technology, specifically engineered for the most rigorous industrial and commercial applications. As a flagship model in the elite "Hot Start" series, this unit features a specialized internal heat maintenance system that guarantees instantaneous delivery of hot water. By effectively eliminating startup lag and the "cold water sandwich" effect, the CF-Plus-090-480D is the premier solution for large-scale circulation loops, high-volume multi-fixture stations, and mission-critical industrial processes where thermal consistency is non-negotiable.
Performance & Electrical Specifications
Engineered for 480V 3-phase Delta electrical configurations, this model delivers massive heating capacity with industrial-grade precision and efficiency.
- Power Output: 90.00 kW at 480V.
- Amperage: 108.25 Amps.
- Breaker Requirement: 125A (3-Pole).
- Temperature Rise: Capable of delivering a staggering 61°F rise at 10 gpm and a robust 31°F rise at 20 gpm.
- Activation Rate: Reliable activation at 2.7 gpm (for DN 25 flowmeter models), ensuring seamless performance in high-demand environments.
- Max Flow Rate: Industrial-grade internal engineering supports high-volume requirements up to 40 gpm at 60 psi.
Engineering & Durability
- 316L Stainless Steel Heat Exchanger: Built with a premium 316L stainless steel heat exchanger and internal piping, offering the highest level of resistance to corrosion, thermal stress, and mineral scaling.
- Advanced Microprocessor Modulation: Features electronic closed-loop controls that monitor inlet/outlet sensors and flow rates in real-time. This intelligent modulation ensures the unit consumes only the exact energy required to maintain the setpoint, maximizing efficiency over traditional tank systems.
- Industrial Protection: Comes standard in a NEMA 3 enclosure for superior protection. For specialized environments, NEMA 4 and 4X options are available to support wash-down procedures or highly corrosive atmospheres.
- Comprehensive Safety Systems: Equipped with multiple levels of over-temperature protection, an integrated automatic air vent, and a lead-free brass pressure relief valve.
- Precision Temperature Control: Temperature 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 process requirements.
Compliance & Quality Assurance
- 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 all 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 our experts to secure the Stiebel Eltron CF-Plus-090-480 for your highest-demand commercial projects.
Download the C Series Commercial Options List