Maximum Efficiency. Commercial-Grade Performance. Engineered for High-Demand Hot Water Systems.

The RTHR 199X3 Condensing Gas Water Heater is a high-capacity, ultra-efficient solution designed for large residential and light commercial applications that require continuous, reliable hot water. With a powerful 199,000 BTU input and advanced condensing technology, this unit delivers exceptional thermal efficiency, reduced emissions, and long-term durability—all in a compact, wall-mounted design that saves space without sacrificing performance.

Key Features & Benefits:

• High Output Capacity: With a robust 199,000 BTU rating, the RTHR 199X3 is ideal for multi-bathroom homes, apartment complexes, restaurants, salons, and other high-demand environments.
• Condensing Technology: Features a dual heat exchanger system that captures and reuses heat from exhaust gases, significantly improving energy efficiency and reducing fuel consumption.
• Ultra-High Efficiency: Achieves up to 96% thermal efficiency, helping lower energy bills and reduce environmental impact.
• Durable Stainless Steel Heat Exchanger: Corrosion-resistant and built to withstand the rigors of daily use, even in hard water conditions.
• Low NOx Emissions: Meets or exceeds low NOx emission standards, making it suitable for use in environmentally regulated areas.
• Smart Digital Controls: User-friendly interface allows for precise temperature control, system diagnostics, and maintenance alerts for simplified operation and troubleshooting.
• Flexible Venting Options: Compatible with 2" or 3" PVC, CPVC, or stainless steel venting for both direct and power vent configurations, offering installation flexibility.
• Compact Wall-Mount Design: Saves valuable floor space and allows for easy installation in tight mechanical rooms, closets, or utility areas.

Ideal Applications:

• Large residential homes with multiple bathrooms
• Multi-family dwellings and apartment buildings
• Light commercial buildings (restaurants, offices, salons)
• High-demand point-of-use installations
• Recirculating hot water systems

Technical Specifications:

• BTU Input: 199,000
• Fuel Type: Natural Gas (convertible to LP with optional kit)
• Thermal Efficiency: Up to 96%
• Ignition System: Electronic ignition
• Mounting Type: Wall-mounted
• Water Connections: ¾" NPT
• Venting: 2" or 3" PVC/CPVC/stainless steel
• Dimensions: Compact footprint for space-constrained installations