HOT ! Rinnai RE199eN 199,000 BTU Outdoor Non-Condensing Natural Gas Tankless Water Heater

Rinnai RE199eN 199,000 BTU Outdoor Non-Condensing Natural Gas Tankless Water Heater

The Rinnai RE199eN is a powerful 199,000 BTU outdoor non-condensing tankless water heater designed for high-demand residential applications. Built specifically for exterior installation, this unit delivers continuous on-demand hot water without requiring indoor venting systems.

Ideal For:

• 3–4 bathroom homes


• Homes in mild climates suitable for outdoor installation


• High-demand households with multiple simultaneous fixtures


• Replacing older outdoor non-condensing tankless units


• Installations where indoor venting is not practical

Key Features

• 
  199,000 BTU (199 MBH) maximum input


• Outdoor-rated non-condensing design


• Natural gas configuration (eN model)


• No indoor venting required


• Compact, wall-mounted exterior installation


• Advanced safety monitoring and self-diagnostics


• Continuous hot water delivery on demand

Performance & Application

With 199,000 BTU of heating capacity, the RE199eN supports multiple showers, sinks, and appliances operating at the same time depending on groundwater temperature. Its outdoor design eliminates the need for stainless steel venting, simplifying installation in appropriate climates.

Outdoor Installation Benefits

• No interior wall vent penetration required


• Saves interior space


• Simplified installation in retrofit scenarios


• Designed to withstand exterior exposure (per manufacturer guidelines)

Non-Condensing vs Condensing

The RE199eN uses a non-condensing heat exchanger, meaning it does not require PVC venting like condensing models. While efficiency is slightly lower than condensing units, it is a strong option for straightforward outdoor installations.

Installation Requirements

• Outdoor wall mounting only


• Proper gas line sizing for 199,000 BTU input


• 120V electrical connection required


• Installation must comply with local building codes


• Professional installation recommended

Compare With Other Rinnai Models

• Need indoor installation? See RE199iN (indoor non-condensing)


• Looking for higher efficiency? Consider RX series condensing models


• Browse all Tankless Water Heaters for additional options

Why Buy From United Plumbing & Fire Supply?

• Trusted plumbing supplier serving Los Angeles


• Local pickup available


• Competitive pricing


• Nationwide shipping options

Frequently Asked Questions

Is the RE199eN condensing?
No. This is a non-condensing outdoor tankless water heater.

Can this unit be installed indoors?
No. The RE199eN is designed specifically for outdoor installation.

Is this natural gas?
Yes. The “eN” model is configured for natural gas.

Is outdoor installation allowed everywhere?
Outdoor installation suitability depends on climate and local code requirements. Always confirm with a licensed installer.

Available for local pickup in Los Angeles or nationwide shipping. Contact United Plumbing & Fire Supply for availability and expert assistance.