Hybrid Heat Pump Water Heater 3.75UEF 30AMP 2-Pole - Prestige ProTerra Econet, 50 Gallon

Rheem ProTerra 50-Gallon Hybrid Heat Pump Water Heater – 3.75 UEF, 240V, 30A

The Rheem ProTerra PROPH50-T2-RH375-30 is a 50-gallon hybrid electric water heater designed for high-efficiency residential hot water production. Utilizing heat pump technology and conventional electric heating elements, this model delivers a Uniform Energy Factor (UEF) of 3.75, making it suitable for new construction and retrofit applications requiring high energy savings without compromising performance.

Constructed for professional-grade installations, this unit includes integrated EcoNet WiFi control, multiple operating modes, and an ambient air draw system for optimized thermal efficiency. Its compact vertical design allows for installation in basements, utility closets, or garages with sufficient airflow clearance.

Technical Specifications

• Model Number: PROPH50-T2-RH375-30
• Nominal Capacity: 50 gallons
• Rated Voltage: 240V AC, single phase
• Amperage: 30 amps
• Heating Elements: Dual 4.5 kW backup elements
• Energy Factor (UEF): 3.75
• Weight: Approx. 150 lbs (dry)
• Dimensions: 65" H × 24-1/4" diameter
• Airflow Requirement: Minimum 1,000 ft³ of unconfined space or ducted intake/exhaust
• Warranty: 10-year limited tank and parts

Installation Notes

This unit requires a 30A dedicated circuit and proper clearances for air intake and exhaust. Condensate management must be accounted for via drain piping or condensate pump. For installations in confined spaces, optional duct kits are available to route intake and discharge air as needed.

Contractors should ensure adequate ambient temperatures (ideally 45–120°F) for heat pump operation and confirm space conditions for airflow. Electrical disconnects and bonding must conform to NEC 422 and local AHJ requirements.

Features for Contractor Use

• WiFi-Enabled EcoNet Module – Supports diagnostics, scheduling, and alerts via mobile app or building network integration.
• Multiple Operating Modes – Including Energy Saver, Heat Pump Only, High Demand, and Electric Mode.
• Advanced Diagnostics – Integrated LCD interface provides system alerts, element status, and service history.
• Factory-Installed T&P Relief Valve – Reduces install time and complies with ASME standards.
• Low-Noise Heat Pump Operation – Rated for residential environments with minimal acoustic interference.

Application Guidance

The ProTerra PROPH50-T2-RH375-30 is suitable for residential installations where energy efficiency credits, reduced operating cost, and intelligent monitoring are priorities. Ideal locations include semi-conditioned spaces such as utility rooms, mechanical rooms, or attached garages. This model also qualifies for various federal and state efficiency incentives depending on region.

Backup electric resistance elements engage during peak demand periods, ensuring continuous availability of hot water. The unit meets or exceeds NEEA Tier 3 advanced water heating standards and is ENERGY STAR® certified.