The Navien NFC-250/200H is a high-efficiency condensing combi-boiler that combines space heating and domestic hot water production in a single compact unit. It delivers 95% AFUE efficiency and is Energy Star certified. The unit features a 15:1 turndown ratio for both heating and domestic hot water, ensuring precise temperature control and energy savings. Equipped with a new domestic hot water module with mixing and water adjustment valves, it provides consistent, comfortable hot water. Advanced controls with an intuitive interface and Setup Wizard simplify installation and operation, while built-in powered connections support up to three zone valves or pumps.
This boiler supports flexible venting options with 2" pipe runs up to 65 feet and 3" runs up to 150 feet. Its patented stainless steel fire tube heat exchanger and non-metallic condensate base ensure durability and reliability. The NFC-250/200H is approved for high altitude installations up to 10,100 feet on natural gas and propane, with conversion kits included. It can be common vented with up to seven NPE units or cascaded with up to fifteen units, allowing easy capacity expansion for larger heating demands.
95% AFUE efficiency, Energy Star certified 15:1 turndown ratio for heating and DHW New DHW module with mixing and water adjustment valves Advanced controls with Setup Wizard Built-in powered connections for 3 zone valves or pumps Venting: 2" up to 65 feet, 3" up to 150 feet Patented stainless steel fire tube heat exchanger Non-metallic condensate base High altitude approval up to 10,100 ft (NG and LP) with conversion kits Common venting up to 7 NPE units; cascading up to 15 units Applications
Residential and light commercial space heating Domestic hot water supply for multiple fixtures Multi-zone hydronic heating systems High altitude installations Cascade boiler setups for increased capacity Related Video: NFC-H Condensing Fire Tube Combi-Boiler
Specification
Brand
Navien
Model
NFC-250-200H
Type
Boiler
Input
199,900 MBH
Power source
Dual Fuel
Condition
New
Electro Yard is an independent retailer. This product is made by Navien; we are not affiliated with Navien and all brand names and model numbers are used to identify the product we are selling.
Check the product description, specifications and available variants before placing your order. For product-specific questions, contact our support team before checkout.
Processing1–3 business days, Monday–Friday
DeliveryTypically 5–8 business days after dispatch
Returns30-day return window from delivery
RefundsProcessed after inspection to the original payment method
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