High-Efficiency, On-Demand Hot Water with Advanced Technology and Flexible Installation

The Prime Guard RTHR-180M is a premium condensing gas tankless water heater designed to deliver powerful, energy-efficient, and continuous hot water for residential applications. With a maximum input of 180,000 BTU, this ENERGY STAR® certified unit combines cutting-edge performance with long-term reliability, making it an ideal solution for homeowners seeking comfort, efficiency, and durability.

Key Features & Benefits:

• Condensing Technology: Captures and reuses heat from exhaust gases, significantly improving energy efficiency and reducing utility costs.
• High Efficiency: Uniform Energy Factor (UEF) of 0.95, exceeding ENERGY STAR® standards for maximum energy savings.
• Heavy-Duty Stainless Steel Heat Exchanger: Patented design with only two weld points enhances durability and resistance to scale and corrosion.
• X3® Scale Prevention Ready: Easily add the optional X3® cartridge (sold separately) to extend heat exchanger life up to 3x longer and maintain like-new performance.
• Integrated Recirculation Pump: Built-in pump with programmable scheduling reduces water waste and wait time at fixtures.
• Advanced Control Display: User-friendly interface allows you to set and review recirculation schedules, monitor system status, and view error codes.
• Flexible Installation: Field convertible from Natural Gas to Liquid Propane (conversion kit included). Can be installed indoors or outdoors with optional vent cap kit.
• Ultra-Low NOx Emissions: Complies with strict air quality standards, including SCAQMD Rule 1146.2 and other regional regulations.
• Remote Control Ready: Optional remote kits allow for wireless temperature control and recirculation activation.

Specifications:

• BTU Input: 180,000
• Fuel Type: Natural Gas / Liquid Propane (field convertible)
• Max Flow Rate: Up to 10.5 GPM
• UEF: 0.95
• Recirculation: Integrated pump with programmable scheduling
• Venting Options: 2" PVC (up to 75 ft) or 3" PVC (up to 150 ft)
• Installation: Indoor or Outdoor (with optional kit)
• Dimensions (H x W x D): Approx. 27" x 17" x 16"
• Certifications: ENERGY STAR®, Ultra-Low NOx, CSA Certified
• Warranty: 15-Year Limited on Heat Exchanger, 5-Year Limited on Parts

Ideal For:

• Medium to large households
• Homes with multiple bathrooms
• Retrofit or new construction
• Energy-conscious homeowners
• Areas with hard water (when paired with X3® Scale Prevention)