Navien

Navien NHB-55H Condensing Heating Boiler

Find the right heating solution for your home. Review the model specifications below and contact us for help before ordering.

Price$390.00USD

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

Secure checkout · Encrypted payment processing

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.

View return policy
Product specifications & description

The Navien NHB-55H is an indoor wall-hung condensing boiler for hydronic space heating. It is a heating-only boiler, not a combi-boiler with integrated domestic hot-water production.

Product details

  • Model: NHB-55H.
  • Heating input 8,000–55,000 BTU/h; 95% AFUE; turndown up to 7:1.
  • Indoor wall-hung installation.
  • Natural gas or propane with correct professional setup.
  • Manufacturer dry unit weight: 73 lb; packaged freight weight differs.

Installation

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 model 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 →