WEATHER-RITE™ GH Technical Data
| MODEL | CTHN - 30 | CTHN - 40 | CTHN - 50 | |
| Overall Length [ft, in A ] | 8, 0 | 11, 6 | 11, 6 | |
| Weights [lb] | 85 | 96 | 96 | |
| Input [Btu/h] x [1000] | 30 | 40 | 50 | |
| Fuel | Natural Gas (NG) or Propane Gas (LPG) | |||
| Input (in wc) | NG min. | 5 | 5 | 5 |
| LPG min. | 11 | 11 | 11 | |
| NG & LPG min. | 14 | 14 | 14 | |
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| Gas Connection | 3/8" NPT (3/8" Manual Shut-off Valve Included with Heater) | |||
| Minimum Mounting Height (ft)* |
7' (Required Safe Distances from Combutibles Must be Maintained) | |||
| Electrical Supply | 120 V, 60 Hz, 10, 1 A (Connection - Cord with 3-Prong Molded Plug) |
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| Thermostat | Low Voltage, 24 Vac Dual Scale Included with Heater (120 Vac Optional)(Connection - Built-in Receptacle on Heater) |
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| Heat Exchanger Tubing | 3" dia, 16 gauge, Heat Treated ALUMI-THERM® Steel Tubing | |||
| Exhaust Flue/Vent OD (in) | 3" dia/5" dia (Included with heater) | |||
| Balanced Flue | Vent Collar and Vent Termination Included with Heater | |||
| Flue Length (ft, in) | 2',6" Minimum; 10',0" Maximum | |||
| Reflector and End Caps | .024 Mill Finish Aluminum | |||
| Ignition | Fully Automatic, Three Try, Direct Spark Electronic Ignition Control, 100% Shut-Off |
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| Approved As | Indoor Vented Overhead Room Heater | |||
| CSA Standards | ANSI Z21.86/CSA 2.32 | |||
| Options | Roof Venting Kit, 90° Elbow Kit, Wall Venting Kits | |||
| Warranty | Three-Year Limited (Refer io Installation, Operation and Service Manual for Details |
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| *The minimum mounting height is 10' (3m) for aircraft hangers and 8' (2.5 m) for public garages. |
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Required Safe Distance from Combustibles** (in)
| MODEL | CTHN - 30 | CTHN - 40 | CTHN - 50 | |
| A | 4 | 4 | 4 | |
| B | 16 | 18 | 20 | |
| C | 36 | 48 | 48 | |
| D | 28 | 30 | 32 | |
| E | 34 | 34 | 36 | |
| F | 6 | 6 | 6 | |
| ** For complete installation, operation and service criteria, please see the current issue of the Installation, Operation and Service Manual. |
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**Clearances B, C, and D can be reduced by 50% for locations 25 ft. (7 m) or more downstream of the burner. For other mounting options and associated clearances, complete installation, operation and service criteria, please see the current issue of the Installation, Operation and Service Manual.