Navien
Navien NHB-150H High-Efficiency Wall Hung Condensing Heating Boiler - 150,000 BTU
£299.00All prices include any applicable taxes · Free UK delivery, 3–6 business days
- Free UK delivery — 3–6 business days
- 14 days to change your mind
- Prepaid return label already in the box
- Questions? Mon–Fri, 9:00 AM – 5:00 PM UK time
Navien NHB-150H - Condensing Heating Boiler - 150,000 BTU
Discover the Navien NHB-150H, a premier high-efficiency condensing wall-hung boiler engineered for indoor residential and light commercial heating applications. Delivering an impressive 95% AFUE efficiency alongside a 15:1 turndown ratio, this boiler guarantees precise temperature control and substantial energy savings. Its compact, wall-mounted footprint measures 17.3 inches wide, 23.8 inches high, and 12.8 inches deep, with a weight of 80 pounds. Designed for versatility, it supports forced draft direct venting with flexible vent pipe options and lengths to accommodate diverse installation environments.
Equipped with advanced user controls and an integrated 3-zone controller, the NHB-150H simplifies multi-zone heating systems effortlessly. Safety remains paramount through multiple built-in detectors and sensors, while prestigious certifications such as Energy Star assure dependable performance. Furthermore, this model is fully field convertible for use with either natural gas or propane to meet your specific fuel requirements.
Features
- 95% AFUE efficiency with 15:1 turndown ratio
- Field convertible between natural gas and propane
- Electronic ignition system
- Stainless steel primary and secondary heat exchangers
- Built-in 3-zone controller for zone valves or pumps
- Vent compatible with 2" or 3" PVC, CPVC, polypropylene, and special gas vent piping
- Maximum vent length: 2" up to 65 feet, 3" up to 150 feet
- Compact wall-hung design: 17.3" W x 23.8" H x 12.8" D; 80 lbs
- Advanced controls with backlit interface, click-wheel, and setup wizard
- Safety devices including flame rod, air proving switch, gas valve and ignition detectors, high limit switches, and vent installation detector
- Zero clearance to combustibles
- Certifications: Energy Star, CSA B149.1, ASME H, ANSI Z223.1
Applications
- Residential and light commercial space heating
- Multi-zone hydronic heating systems
- Installations requiring compact, wall-mounted boilers
- Retrofits and new construction
- Systems needing flexible venting and fuel options
ZCS
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Delivery
We pick and pack within 1–2 business days, then Royal Mail typically takes 2–4 business days. That is 3–6 business days in total, free on every order with no minimum spend. We deliver within the United Kingdom.
Returns and refunds
You have 14 days from delivery to return this for a refund, in addition to your statutory 14-day cancellation right. A prepaid return label is included in your parcel, there is no restocking fee, and refunds are processed within 5 business days of your return arriving.