NFC-250/200H - Condensing Combi-Boiler - 199,900 BTU DHW / 210,000 BTU HTG
NFC-250/200H - Condensing Combi-Boiler - 199,900 BTU DHW / 210,000 BTU HTG
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NFC-250/200H - Condensing Combi-Boiler - 199,900 BTU DHW / 210,000 BTU HTG
Shipping and Handling
Shipping and Handling
Order cutoff time: 5:00 PM (GMT), Monday to Friday. Orders placed after this time will be processed on the next business day, which may slightly extend the estimated delivery time frame.
Order handling time: 1–2 business days (Monday to Friday). Once your order has been processed, it will be dispatched using one of our trusted carriers.
Transit time: 2–5 business days for standard delivery.
Estimated delivery time: 3–7 business days, depending on the delivery service and your location.
Refunds and Returns
Refunds and Returns
We offer a 30 day return window for unused items. Simply contact our support team to initiate a return.
You can email us at anytime at :
You can also call us at anytime at :
Navien NFC-250/200H - Condensing Combi-Boiler - 199,900 BTU DHW / 210,000 BTU HTG
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.
Features
- 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
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FAQ
What Payment Methods Does Sereniya Accept?
What Payment Methods Does Sereniya Accept?
At Sereniya, we provide a selection of secure payment options to make your shopping experience smooth and convenient. We accept the following:
Credit & Debit Cards: Visa, MasterCard, American Express
Digital Wallets: Apple Pay, Google Pay, Shop Pay
Online Payments: PayPal
Buy Now Pay Later: Klarna (where available)
You can visit our Billing Terms and Conditions for more information
How Long Does Sereniya Shipping Take?
How Long Does Sereniya Shipping Take?
Order Cutoff Time
5:00 PM (GMT)
Orders placed after this time will be processed the next business day, which may add one extra day to the delivery estimate.
Order Handling Time
1–2 business days (Monday–Friday)
Once your order is processed, it will be shipped by one of our trusted carriers.
Transit Time
6–8 business days (Monday–Friday)
Estimated Delivery Time
7– 10 business days
Please note that delivery times are estimates and may vary due to factors outside our control, such as carrier delays, weather conditions, or high seasonal demand.
What Is Sereniya’s Return Policy?
What Is Sereniya’s Return Policy?
We offer a 30 day return window for unused items. Simply contact our support team to initiate a return. You can email us at anytime at info@sereniya.com and we will be happy to assist you.
How Can I Contact Sereniya Support?
How Can I Contact Sereniya Support?
You can contact us at anytime
Email : info@sereniya.com
Phone : +44 7306618289
Customer service hours : Monday to Friday : 9:00 am - 5:00 pm (GMT)
We do our best to reply to your email within 1-2 business days.
Comfort & Relief You Can Feel Every Day
Experience lasting comfort and reliable support designed to help you move with ease, feel better throughout the day, and enjoy a more relaxed, pain-free lifestyle.
Wellness, Made Simple
At Sereniya, we believe everyday comfort should feel effortless. Our products are designed to support your well-being in the moments that matter — whether you're at home, at work, or on the move.
Designed for Everyday Comfort
At Sereniya, we believe comfort should be effortless and part of your daily life. Our products are thoughtfully designed to support your body, improve posture, and help you feel your best—whether you’re working, relaxing, or on the go. Experience comfort that works with you, not against you.