Navian

Condensing Gas Combination Boiler (CH-ASME)

navien1

CH-180ASME

Summary
Super condensing efficiency Dual stainless steel heat exchangers Low NOx emissions (≤20ppm) SCH 40, 3” PVC venting up to 100’ Gas-Air Ratio Control Automatic water filling system Remote controller included

Heat Capacity (Input)
Min : 17,000 Btu/hr
Max: 150,000 Btu/hr

Dimensions
17" × 28" × 12"

Weight
66 lbs (30kg)
Installation Type
Indoor wall-hung
Venting Type
Forced draft direct vent
Ignition
Electronic Ignition
Water Pressure (Hydronic/DHW)
12–30 PSI /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)
-0.08" WC / -0.34" WC
Propane Gas Manifold Pressure(min to max)
-0.08" WC / -0.30" WC
Minimum Flow Rate
0.5 GPM (1.9 L/m)
Connection Sizes
Heating Supply/Return
1" NPT
DHW Inlet/Outlet
3/4" NPT
Gas Inlet
3/4" NPT
Auto Feeder
1/2" NPT
Condensate Outlet
1/2" NPT
Power Supply
Main Supply
120 V AC, 60Hz
Maximum Power Consumption
200W (up to 2 amperes)
Materials
Casing
Cold rolled carbon steel
Heat Exchangers
Primary/secondary heat exchanger: stainless steel DHW heat exchanger: stainless steel
Venting
Exhaust
2" or 3" PVC, CPVC, approved 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
Flame rod, APS, gas valve operation detector, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor

navien1

CH-180ASME

Summary
Super condensing efficiency Dual stainless steel heat exchangers Low NOx emissions (≤20ppm) SCH 40, 3” PVC venting up to 100’ Gas-Air Ratio Control Automatic water filling system Remote controller included

Heat Capacity (Input)
Min : 17,000 Btu/hr
Max: 150,000 Btu/hr

Dimensions
17" × 28" × 12"

Weight
74 lbs (34kg)
Installation Type
Indoor wall-hung
Venting Type
Forced draft direct vent
Ignition
Electronic Ignition
Water Pressure (Hydronic/DHW)
12–30 PSI /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)
-0.07" WC / -0.66" WC
Propane Gas Manifold Pressure(min to max)
-0.07" WC / -0.62" WC
Minimum Flow Rate
0.5 GPM (1.9 L/m)
Connection Sizes
Heating Supply/Return
1" NPT
DHW Inlet/Outlet
3/4" NPT
Gas Inlet
3/4" NPT
Auto Feeder
1/2" NPT
Condensate Outlet
1/2" NPT
Power Supply
Main Supply
120 V AC, 60Hz
Maximum Power Consumption
200W (up to 2 amperes)
Materials
Casing
Cold rolled carbon steel
Heat Exchangers
Primary/secondary heat exchanger: stainless steel DHW heat exchanger: stainless steel
Venting
Exhaust
2" or 3" PVC, CPVC, approved 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
Flame rod, APS, gas valve operation detector, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor

navien1

CH-180ASME

Summary
Super condensing efficiency Dual stainless steel heat exchangers Low NOx emissions (≤20ppm) SCH 40, 3” PVC venting up to 100’ Gas-Air Ratio Control Automatic water filling system Remote controller included

Heat Capacity (Input)
Min : 17,000 Btu/hr
Max: 150,000 Btu/hr

Dimensions
17" × 28" × 12"

Weight
84 lbs (38kg)
Installation Type
Indoor wall-hung
Venting Type
Forced draft direct vent
Ignition
Electronic Ignition
Water Pressure (Hydronic/DHW)
12–30 PSI /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)
-0.05" WC / -0.36" WC
Propane Gas Manifold Pressure(min to max)
-0.10" WC / -0.66" WC
Minimum Flow Rate
0.5 GPM (1.9 L/m)
Connection Sizes
Heating Supply/Return
1" NPT
DHW Inlet/Outlet
3/4" NPT
Gas Inlet
3/4" NPT
Auto Feeder
1/2" NPT
Condensate Outlet
1/2" NPT
Power Supply
Main Supply
120 V AC, 60Hz
Maximum Power Consumption
200W (up to 2 amperes)
Materials
Casing
Cold rolled carbon steel
Heat Exchangers
Primary/secondary heat exchanger: stainless steel DHW heat exchanger: stainless steel
Venting
Exhaust
2" or 3" PVC, CPVC, approved 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
Flame rod, APS, gas valve operation detector, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor