Navien
Navien NPE-180S2 High-Efficiency Condensing Tankless Water Heater - 150,000 BTU Natural Gas
£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 NPE-180S2 - Condensing Tankless Water Heater - 150,000 BTU
Discover the Navien NPE-180S2, a high-efficiency condensing tankless water heater engineered to provide continuous, endless hot water for residential homes. Featuring an input range of 15,000 to 150,000 BTU per hour and an impressive Uniform Energy Factor of 0.96, this Energy Star certified unit delivers reliable performance while significantly reducing your home energy costs. It supports high flow rates up to 8.4 gallons per minute at a 35°F rise, making it the ideal choice for multi-bathroom households with simultaneous hot water demands.
Engineered with dual stainless steel heat exchangers for enhanced durability and ultra condensing performance, the NPE-180S2 is designed for versatile indoor or outdoor wall-hung installation. It includes the intuitive EZNavTM multi-line control panel with integrated HotButtonTM control and supports cascading with up to 32 units using Navien’s Ready-Link system. Approved for direct venting, it supports 2" venting up to 60 feet and 1/2" gas line capability up to 24 feet, offering ultimate flexibility and space-saving installation options for your home.
Features
- Up to 150,000 BTU/h input capacity
- 0.96 UEF and Energy Star certified
- Flow rate: 8.4 GPM at 35°F rise
- Dual stainless steel heat exchangers
- Ultra condensing efficiency
- Low NOx emissions (20 ppm)
- Field convertible gas system (NG/LP)
- Indoor or outdoor wall-hung installation
- EZNavTM control panel with HotButtonTM
- Cascading capable with up to 32 units via Ready-Link
- Direct venting: 2" PVC up to 60 feet
- 1/2" gas pipe capable up to 24 feet
- Gas connection: 3/4" NPT
- Water connections: 3/4" hot and cold
- 120V, single phase operation
Applications
- Residential homes with high hot water demand
- Multi-bathroom households
- Compact installations needing wall-hung systems
- Projects requiring venting and gas line flexibility
- Multi-unit cascade setups for greater capacity
Product Includes
- 1 - Wall Mounting Bracket
- 4 - Tapping Screw and Anchor
- 2 - Vent Terminator
- 4 - Wall Flanges
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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.