Tankless Direct Vent Water Heater, Liquid Propane, .26 gpm

High-Efficiency Hot Water System – Rheem RTGH-84DVLP-3 Condensing Tankless Water Heater

The Rheem RTGH-84DVLP-3 is a professional-grade, indoor, liquid propane-fired condensing tankless water heater engineered for continuous hot water delivery and high energy efficiency. Designed for residential and light commercial applications, this unit combines compact construction with advanced combustion technology to meet demanding performance requirements while reducing energy consumption.

Technical Specifications

• Flow Rate: 8.4 GPM maximum
• Input Capacity: 11,000 – 157,000 BTU/hr
• Uniform Energy Factor (UEF): 0.94
• Fuel Type: Liquid Propane (LP)
• Venting: Category IV, direct vent (PVC, CPVC, or polypropylene)
• Temperature Range: 98°F – 140°F (field adjustable)
• Ignition System: Direct electronic ignition
• Compliance: Meets Low NOx emission standards

Key Features

• Condensing Technology: Utilizes dual heat exchangers to improve thermal efficiency and reduce flue gas temperatures.
• Space-Saving Design: Compact wall-mounted configuration suitable for mechanical rooms or confined spaces.
• Durable Construction: Stainless steel secondary heat exchanger provides long service life and resistance to corrosion.
• System Integration: Compatible with recirculation systems for faster hot water delivery.
• Diagnostics: Integrated digital control panel for temperature setting and service monitoring.

Installation Considerations

Installation should be performed by a licensed plumbing or HVAC contractor to ensure proper venting, fuel line sizing, and code compliance. The unit requires Category IV venting materials and condensate management for safe operation. Proper water treatment may be necessary in hard water environments to maintain efficiency and warranty coverage.

Professional Application

The Rheem RTGH-84DVLP-3 provides contractors with a reliable solution for high-demand hot water systems. Its compact footprint, high efficiency, and compliance with low NOx emission requirements make it an ideal choice for residential upgrades and light commercial installations where space, efficiency, and code compliance are critical.