Navian

Premium Condensing Tankless Gas Water Heater (NPE)

NPE_180A

NPE-180A

Summary
½" gas pipe capable up to 24'Field convertible gas system Ultra condensing efficiency Dual stainless steel heat exchangers Low NOx emissions (≤ 20ppm) SCH 40, 2" venting up to 60' Cascading capable

Heat Capacity (Input)
Natural Gas 15,000-150,000 BTU/h
Propane Gas 15,000-150,000 BTU/h

Energy Factor NG / LPG (DOE) 0.95/0.96

Flow Rate(DHW)
35⁰F(19⁰C) Temp Rise 8.4 GPM (32 L/m)
45⁰F(25⁰C) Temp Rise 6.5 GPM (25 L/m)
77⁰F(43⁰C) Temp Rise 3.8 GPM (14 L/m)

Dimensions
17.3"(W) x 27.4"(H) x 11.4"(D)
Weight
75 lbs (34kg)
Installation Type
Indoor or Outdoor Wall-Hung
Venting Type
Forced draft direct vent
Ignition
Electronic Ignition
Water Pressure
15-150 PSI
Natural Gas Supply Pressure (from source)
3.5"-10.5" WC
Propane Gas Supply Pressure (from source)
8"-13" WC
Natural Gas Manifold Pressure (min to max)
-0.04" WC to -0.84" WC
Propane Gas Manifold Pressure(min to max)
-0.03" WC to -0.50" WC
Minimum Flow Rate
0.5GPM(1.9L/M), <0.01GPM(0.04L/M) option for "A"models *
Connection Sizes
Cold Water Inlet
3/4" NPT
Hot Water Outlet
3/4" NPT
Recirculation Inlet
3/4" NPT
Gas Inlet
3/4" NPT (Suitable for use with 1/2" rigid gas pipe; refer to installation manual for sizing criteria)
Power Supply
Main Supply
120 V AC, 60Hz
Maximum Power Consumption
200W (max 2A), 350W (max 4A) with external pump connected
Materials
Casing
Cold rolled carbon steel
Heat Exchangers
Primary Heat Exchanger: Stainless Steel Secondary Heat Exchanger: Stainless Steel
Venting
Exhaust
2" or 3" PVC, CPVC, Polypropylene 2" or 3" Special Gas Vent Type BH (Class II, A/B/C)
Intake
2" or 3" PVC, CPVC, Polypropylene 2" or 3" Special Gas Vent Type BH (Class II, A/B/C)
Vent Clearances
0" to Combustibles
Safety Devices
APS, Ignition Operation Detector, Water Temperature High Limit Switch, Exhaust Temperature High Limit Sensor, Power Surge Fuse

NPE_180A

NPE-210A

Summary
½" gas pipe capable up to 24'Field convertible gas system Ultra condensing efficiency Dual stainless steel heat exchangers Low NOx emissions (≤ 20ppm) SCH 40, 2" venting up to 60' Cascading capable

Heat Capacity (Input)
Natural Gas 19,900-180,000 BTU/H
Propane Gas 19,900-180,000 BTU/H

Energy Factor NG / LPG (DOE) 0.95/0.97

Flow Rate(DHW)
35⁰F(19⁰C) Temp Rise 10.1 GPM (38 L/m)
45⁰F(25⁰C) Temp Rise 7.8 GPM (30 L/m)
77⁰F(43⁰C) Temp Rise 4.6 GPM (17 L/m)

Dimensions
17.3"(W) x 27.4"(H) x 13.2"(D)
Weight
82 lbs (37 kg)
Installation Type
Indoor or Outdoor Wall-Hung
Venting Type
Forced draft direct vent
Ignition
Electronic Ignition
Water Pressure
15-150 PSI
Natural Gas Supply Pressure (from source)
3.5"-10.5" WC
Propane Gas Supply Pressure (from source)
8"-13" WC
Natural Gas Manifold Pressure (min to max)
-0.04" WC to -0.36" WC
Propane Gas Manifold Pressure(min to max)
-0.02" WC to -0.66" WC
Minimum Flow Rate
0.5GPM(1.9L/M), <0.01GPM(0.04L/M) option for "A"models *
Connection Sizes
Cold Water Inlet
3/4" NPT
Hot Water Outlet
3/4" NPT
Recirculation Inlet
3/4" NPT
Gas Inlet
3/4" NPT (Suitable for use with 1/2" rigid gas pipe; refer to installation manual for sizing criteria)
Power Supply
Main Supply
120 V AC, 60Hz
Maximum Power Consumption
200W (max 2A), 350W (max 4A) with external pump connected
Materials
Casing
Cold rolled carbon steel
Heat Exchangers
Primary Heat Exchanger: Stainless Steel Secondary Heat Exchanger: Stainless Steel
Venting
Exhaust
2" or 3" PVC, CPVC, Polypropylene 2" or 3" Special Gas Vent Type BH (Class II, A/B/C)
Intake
2" or 3" PVC, CPVC, Polypropylene 2" or 3" Special Gas Vent Type BH (Class II, A/B/C)
Vent Clearances
0" to Combustibles
Safety Devices
APS, Ignition Operation Detector, Water Temperature High Limit Switch, Exhaust Temperature High Limit Sensor, Power Surge Fuse

NPE_180A

NPE-240A

Summary
½" gas pipe capable up to 24'Field convertible gas system Ultra condensing efficiency Dual stainless steel heat exchangers Low NOx emissions (≤ 20ppm) SCH 40, 2" venting up to 60' Cascading capable

Heat Capacity (Input)
Natural Gas 19,900-199,900 BTU/H
Propane Gas 19,900-199,900 BTU/H

Energy Factor NG / LPG (DOE) 0.95/0.97

Flow Rate(DHW)
35⁰F(19⁰C) Temp Rise 11.2 GPM (42 L/m)
45⁰F(25⁰C) Temp Rise 8.7 GPM (33 L/m)
77⁰F(43⁰C) Temp Rise 5.1 GPM (19 L/m)

Dimensions
17.3"(W) x 27.4"(H) x 13.2"(D)
Weight
82 lbs (37 kg)
Installation Type
Indoor or Outdoor Wall-Hung
Venting Type
Forced draft direct vent
Ignition
Electronic Ignition
Water Pressure
15-150 PSI
Natural Gas Supply Pressure (from source)
3.5"-10.5" WC
Propane Gas Supply Pressure (from source)
8"-13" WC
Natural Gas Manifold Pressure (min to max)
-0.04" WC to -0.58" WC
Propane Gas Manifold Pressure(min to max)
-0.02" WC to -0.78" WC
Minimum Flow Rate
0.5GPM(1.9L/M), <0.01GPM(0.04L/M) option for "A"models *
Connection Sizes
Cold Water Inlet
3/4" NPT
Hot Water Outlet
3/4" NPT
Recirculation Inlet
3/4" NPT
Gas Inlet
3/4" NPT (Suitable for use with 1/2" rigid gas pipe; refer to installation manual for sizing criteria)
Power Supply
Main Supply
120 V AC, 60Hz
Maximum Power Consumption
200W (max 2A), 350W (max 4A) with external pump connected
Materials
Casing
Cold rolled carbon steel
Heat Exchangers
Primary Heat Exchanger: Stainless Steel Secondary Heat Exchanger: Stainless Steel
Venting
Exhaust
2" or 3" PVC, CPVC, Polypropylene 2" or 3" Special Gas Vent Type BH (Class II, A/B/C)
Intake
2" or 3" PVC, CPVC, Polypropylene 2" or 3" Special Gas Vent Type BH (Class II, A/B/C)
Vent Clearances
0" to Combustibles
Safety Devices
APS, Ignition Operation Detector, Water Temperature High Limit Switch, Exhaust Temperature High Limit Sensor, Power Surge Fuse