Navien · Tankless Water Heaters
Navien NHW-199AI Indoor Natural Gas Tankless Water Heater

Review the specifications and installation requirements before ordering.

Navien

Navien NHW-199AI Indoor Natural Gas Tankless Water Heater

Hot water starts with the right fit. Explore the model details below and contact us for help choosing your water heater.

$315.20USD

Price per unit · Applicable tax calculated at checkout

Free standard U.S. shipping

Handling: 1–2 business days · Transit: 5–7 business days
All 50 states + Washington, DC. Tracking sent after dispatch.

Shipping details

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Two-year Luverlo warranty

Coverage provided by Luverlo.
Full terms and conditions apply.

View warranty details
30-day returns

Return eligible unused items.
See policy for terms and costs.

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Product specifications & description

The Navien NHW-199AI is an indoor non-condensing tankless water heater with a built-in recirculation pump and buffer tank. This listing specifies natural gas.

Product details

  • Indoor wall-hung installation.
  • Input range: 10,700–199,900 BTU/h.
  • UEF: 0.81.
  • Flow: up to 9.5 GPM at a 35°F temperature rise.
  • NaviTech stainless steel heat exchanger.
  • Use the manufacturer-approved non-condensing vent system.

Before ordering

Gas appliances must be installed by a licensed professional in accordance with the manufacturer’s instructions and applicable local codes. Before ordering, confirm the correct fuel type, natural gas or propane, and ensure your site meets the venting, gas-supply sizing, and installation requirements.

Manufacturer product information

Luverlo Warranty

Luverlo warranty notice: Luverlo provides buyers with a full two-year warranty from delivery on products purchased through our online store. Luverlo pays for parts, labor and shipping for covered defects. Read the full warranty terms and claim procedures.

Delivery & returns

Free standard shipping to all 50 U.S. states and Washington, DC. Handling takes 1–2 business days, followed by 5–7 business days in transit, Monday–Friday. Delivery times are estimates.

Eligible unused items may be returned within 30 days. Customers pay change-of-mind return shipping. Refund processing takes up to 14 business days. Warranty claims follow the separate warranty terms.

Full shipping policy · Return & refund policy

Warranty & support

Luverlo provides a full two-year warranty from delivery, covering parts, labor and shipping for covered defects.

Read full coverage and claim procedures

Need help choosing? Talk to Luverlo →