Electric Water Heater, MiniTank, 4 Gallon

Rheem Professional Classic Series — PROE4-1-RH-MT Electric MiniTank Water Heater

The PROE4-1-RH-MT Rheem Electric MiniTank Water Heater delivers instant hot water in compact spaces. Designed for under-sink or point-of-use applications, this unit combines energy efficiency, durable construction, and ease of installation — making it ideal for residential and light commercial settings.

• Model number PROE4-1-RH-MT identifies this 4-gallon MiniTank design engineered for localized hot water delivery.
• Part of the Professional Classic Series, offering proven Rheem reliability and long-lasting performance in a small footprint.
• Perfect for hand-washing stations, offices, small kitchens, and remote bathroom fixtures requiring quick hot water access.
• Compact design allows flexible wall or floor mounting options to save space and simplify installation.

Technical Data & Performance

• Tank Capacity: 4 gallons
• Type: Electric MiniTank, point-of-use configuration
• Electrical Rating: 120 VAC, single-phase
• Wattage: 1440 W heating element for quick recovery and consistent output
• Temperature Range: Adjustable from 90°F to 140°F
• Water Connections: 1/2-inch NPT inlet and outlet for standard plumbing integration
• Maximum Working Pressure: 150 PSI
• Recovery Rate: Approximately 6.8 gallons per hour at 90°F rise
• Tank Material: Glass-lined steel for corrosion resistance and durability
• Insulation: CFC-free foam insulation reduces standby heat loss and enhances energy efficiency
• Factory-installed temperature and pressure relief valve ensures safe and reliable operation.