Product Description
Navien NHW700-160SE is a non-condensing outdoor tankless water heater rated at 7.6 GPM (at 35°F) and a maximum input of 160,000 BTUh. The unit uses a NaviTech stainless steel heat exchanger and stainless steel burner, includes a built-in control panel, and is designed for natural gas operation with field-convertible capability. It supports up to two-unit cascading and low NOx emissions for residential and commercial outdoor installations.
- 7.6 GPM flow rate at 35°F with 160,000 BTUh maximum input and UEF 0.81
- NaviTech stainless steel heat exchanger and burner; non-condensing outdoor wall-hung design
- 3 in x 5 in (3/5″) Category III concentric vent compatibility up to 43 ft, low NOx (20 ppm), cascading for up to 2 units
Product Highlights
Outdoor non-condensing natural gas tankless heater with stainless steel heat exchanger, 7.6 GPM output, 160,000 BTUh input, and low NOx emissions.
Product Information
Standard Information
- Brand: NAVIEN
- Manufacturer Part Number: NHW700-160SE
Technical Specifications
- Brand: Navien
- Manufacturer Part Number: NHW700-160SE
- Alternate Part Number: NPN-160E
- Type: Non-Condensing Tankless
- Application: Residential, Commercial
- Flow Rate: 7.6 GPM at 35°F
- Max Input / BTU: 160,000 BTUh
- Uniform Energy Factor (UEF): 0.81
- Heat Exchanger: NaviTech stainless steel
- Burner: Stainless steel
- Fuel Type: Natural gas (field convertible with optional conversion kit)
- Installation Location: Outdoor, wall-hung
- Vent/Flue Size: 3 in x 5 in (3/5″ Category III concentric), up to 43 ft
- NOx Emissions: 20 ppm (Low NOx)
- Cascading Capability: Up to 2 units
- Controls: Built-in control panel
- Power / Voltage: 120V
- Power Consumption (Watts): 95 W
- Water Connection Size: 3/4 in
- Operating Temperature Range: 98 to 140 °F
- Water Pressure – Minimum: 15 psi
- Water Pressure – Maximum: 150 psi
- Dimensions (W x H x D): 14.0 x 23.0 x 9.3 in
- Weight: 55 lb
- Recirculation Pump: No
- Certifications / Approvals: CSA, NSF (NSF 5), Energy Star, Ultra Low NOx
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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