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Navien North America - NCB-190/060H - Combi-Boiler

The Navien NCB-190/060H is a high-efficiency condensing combination boiler designed for homes with low heating loads that still require robust on-demand domestic hot water. By pairing a right-sized space heating capacity with a powerful domestic hot water burner in a compact, wall-hung chassis, it delivers superior energy savings and tankless hot water convenience without oversizing the heating system.

Key Features

• Optimized Capacity Balance: Engineered with up to 60,000 BTU/h for hydronic space heating and up to 160,000 BTU/h for domestic hot water, making it ideal for modern, well-insulated homes or smaller properties with standard hot water demand.

• Dual Stainless Steel Heat Exchangers: Robust, corrosion-resistant dual stainless steel heat exchangers maximize thermal efficiency, handle variable water conditions, and extend operational life.

• Wide Turndown & Energy Performance: A wide modulation turndown ratio ensures precise flame modulation to match exact heating demands, preventing short-cycling and optimizing fuel usage.

• Venting Versatility: Supports multiple venting materials, including 2-inch and 3-inch PVC, CPVC, polypropylene, and stainless steel, offering flexible routing for tight retrofit spaces and new construction alike.

• Field Gas Conversion: Easily convertible in the field between Natural Gas (NG) and Liquid Propane (LP) with the supplied conversion kit.

• User-Friendly Digital Interface: Features an integrated control panel for real-time diagnostics, system monitoring, and accurate temperature adjustments.

Technical Specifications

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