Product Description
The Navien NPE-180S2 is a high-efficiency condensing tankless water heater with a maximum input of 180,000 BTU/h. This model is designed for indoor or outdoor wall-mounted installation, suitable for both residential and commercial applications. It utilizes natural gas or propane fuels, making it an adaptable solution for various heating needs.
- Maximum flow rate of 8.4 GPM
- Energy Factor of 0.96
- Durable stainless steel heat exchangers
Product Highlights
The Navien NPE-180S2 incorporates advanced features for enhanced efficiency and effectiveness, including an intelligent preheating system and multiple venting options.
Product Information
Standard Information
- Brand: Navien
- MPN: NPE-180S2
Technical Specifications
- Type: Tankless Condensing
- Fuel Type: Natural Gas or Propane
- BTU Input Maximum: 180,000 Btu/h
- Flow Rate: 8.4 GPM
- Dimensions: 17.3 inches W x 27.4 inches H x 13.2 inches D
- Weight: 68 lb
- Efficiency Tier: 90% & Above
- Warranty: 15 years on heat exchanger, 5 years on parts
Why buy from Doctor Paintz
- Sold and shipped by Doctor Paintz – doctorpaintz.us
- Brand-new, factory-sealed stock – never reclaimed or refilled
- Trade pricing and bulk/pallet quantities for HVAC contractors
- US-based order support, tracked shipping on every order

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