NPE210S2
Navien 180,000 BTU
10.1 GPM
Tankless Water Heater
The Navien NPE S2 series is a premium condensing tankless platform built for efficient, on-demand domestic hot water with a clean, code-true install.
NPE210S2 is typically chosen when you want more headroom for overlapping hot-water use—like back-to-back showers plus another draw happening at the same time. In Ottawa, this often fits busy households that notice the limits of smaller tankless units during peak windows.
The pitfall is oversizing without confirming the gas and venting realities, which can create unnecessary install complexity and cost. We verify the gas supply and pressure, check the venting route and termination details, and confirm your expected peak draw pattern so you’re paying for capacity you’ll actually use.
We confirm sizing and pricing on site – no pressure, no upsells.
Installed in Ottawa and surrounding areas by Peak Comfort HVAC
Specs for the NPE210S2
- System type: Gas-fired, condensing, tankless, wall-hung (forced draft direct vent)
- Fuel compatibility: Natural gas or propane (LP conversion kit required)
- Installation type: Indoor or Outdoor (with approved outdoor vent kit)
- Efficiency (UEF): 0.96
- Input range (BTU/h): 12,000–180,000
- Max DHW flow @ 35°F rise: 10.1 GPM
- Max DHW flow @ 67°F rise: 5.3 GPM
- Hydraulic range: Minimum flow 0.5 GPM; water pressure 15–150 PSI
- Gas supply pressure (in. w.c.): NG 3.5–10.5; LP 8–13
- Venting: Forced draft direct vent; 2 in or 3 in PVC/CPVC/approved polypropylene/stainless; 0 in vent clearance to combustibles
- Connection sizes: Hot 3/4 in NPT; Cold 3/4 in NPT; Gas 3/4 in; Air intake 2 in; Exhaust 2 in
- Physical (W×H×D; weight): 17.3 in × 27.4 in × 13.2 in; 73 lbs
Technical documents
Key features of the NPE S2 family
What it is:
- Premium condensing tankless platform for on-demand DHW
- Dual stainless steel heat exchangers for efficiency and durability
Comfort & operation
- Up to 15:1 turndown ratio (model-dependent input range)
- Advanced control panel with setup wizard and diagnostics
Build & serviceability
- Forced draft direct vent design with 0 in clearance to combustibles (venting)
- Compatible with common accessory options (valve sets, controllers, condensate neutralizer)
Install + ownership notes
- Natural gas or propane capable (conversion kit required; qualified installer)
- Designed for indoor installs, or outdoor installs with the correct kit and conditions
Want to see if this tankless is the right fit?
We’ll confirm your real hot-water demand, gas capacity, and venting path—then quote the cleanest install that fits.
Get in Touch
Office Address:
275 Montfort St, Ottawa
ON K1L 5N8
Servicing: Ottawa, Orleans, Nepean, And the surrounding areas
Phone:
E-Mail:
info@peakcomfort.ca
Quick Contact
Email: info@peakcomfort.ca
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