NPE Water Heater
Suitable for residential and commercial applications, Navien’s NPE water heater range already has a renowned international reputation. It has been the number one high efficiency tankless water heater in North America for ten years – where it remains the most in-demand product of its type – a true indication of its remarkable quality.
ComfortFlow® technology ensures rapid hot water delivery while reducing energy usage
Dual primary and secondary stainless steel heat exchangers offer optimum efficiency and durability.
Easy access to waterway components such as the pump, water adjustment valve, and 2 way-valve for quick removal and simple repairs
Compatible with Natural Gas (NG) and Propane (LPG)
Up to 16 units can be cascaded for increased hot water production.
Freeze protection feature maintains normal operation during freezing temperatures down to -40 °C.
5-year parts and labour warranty for complete peace of mind
Technical Data
NPE-24AWE
NPE-24SWE
NPE-32AWE
NPE-32SWE
DHW input range
kW
39.6 / 4.0
39.6 / 4.0
52.8 / 5.2
52.8 / 5.2
DHW output range
kW
42.3 / 4.4
42.3 / 4.4
56.6 / 5.8
56.6 / 5.8
Efficiency at maximum load
%
106.6
106.6
107.2
107.2
Efficiency at minimum load
%
111.0
111.0
111.0
111.0
DHW Flow Rate at 25°C temp. rise
l/min
24.0
24.0
32.0
32.0
DHW Flow Rate at 40°C temp. rise
l/min
15.0
15.0
20.0
20.0
Category
II2H3P
Type
Instantaneous hot water production
Appliance protection rating
IP X5D
Min. DHW Working Pressure
bar
1.0
Min. DHW Working Flow
l/min
1.8
Max. DHW Working Pressure
bar
10.0
Adjustable DHW Temperature Range*
oC
36-85
Dimensions (Width x Depth x Height)
mm
440 x 306 x 695
440 x 306 x 695
440 x 336 x 695
440 x 336 x 695
Weight
kg
34
30
37
34











