| Data Field |
NCB-150E
|
| Gas Input |
Space Heating |
12,000–60,000 BTU/H
|
| Domestic Hot Water |
12,000–120,000 BTU/H
|
| AFUE |
95.0%
|
| Flow Rate (DHW) |
77°F (43°C) Temp Rise |
2.6 GPM (9.8 L/m)
|
| Dimensions |
17"(W) x 28"(H) x 12"(D)
|
| 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) |
8.0" –13.5" 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 (DHW) |
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 |
120V 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 |
|
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