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Navien tankless water heaters and condensing boilers, with free standard shipping across the United States.
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Free U.S. shipping | Published product specifications | Qualified installation required
Featured equipment
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Navien NCB-190/060H – Condensing Combi-Boiler – 160,000 BTU DHW / 60,000 BTU HTG
$1,455.44 Add to cart -

Navien NCB-240/130H – Condensing Combi-Boiler – 199,000 BTU DHW / 130,000 BTU HTG
$1,735.44 Add to cart -

Navien NHB-110H – Condensing Heating Boiler – 110,000 BTU
$1,565.20 Add to cart -

Navien NFC-250/200H – Condensing Combi-Boiler – 199,900 BTU DHW / 210,000 BTU HTG
$2,435.44 Add to cart -

Navien NHB-150H – Condensing Heating Boiler – 150,000 BTU
$1,677.20 Add to cart -

Navien NFB-200H – Condensing Heating Boiler – 199,000 BTU
$2,239.99 Add to cart -

Navien NCB-250/150H – Condensing Combi-Boiler – 250,000 BTU DHW / 210,000 BTU HTG
$1,903.44 Add to cart -

Navien NCB-240/110H – Condensing Combi-Boiler – 199,000 BTU DHW / 110,000 BTU HTG
$1,489.59 Add to cart
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Plan for Whole-Home Comfort
Compare condensing tankless water heaters and boilers for whole-home applications. Review the published specifications for each model with a qualified professional before choosing equipment for the property.
Browse tankless water heaters
Compare Published Specifications
Aquanorix lists Navien condensing tankless water heaters, combi boilers, and heating boilers with model information and published specifications to support careful product comparison.
Confirm sizing, fuel type, connections, venting, electrical requirements, permits, and local code requirements with a qualified professional before ordering or installation.
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Frequently asked questions
Where does Aquanorix ship?
Aquanorix ships within the United States only. Standard shipping is free on every order.
How quickly is an order processed?
Most orders are processed within 1 business day, and transit typically takes 2-4 business days, so you can expect delivery within 3-5 business days.
Can I request a return?
Yes. Request an eligible return within 30 days of delivery. The product must be unused, uninstalled, complete, and in its original packaging. Approval and an RMA are required before shipping it back.
Does Aquanorix provide installation?
No. Aquanorix does not provide installation services. Confirm product suitability and arrange any required permits and qualified professional installation independently.
Which payment methods are accepted?
Checkout shows the secure payment methods available for your location and device. Payment details are handled by the selected provider, and Aquanorix does not store full card details.