Vermont Castings Jefferson Direct Vent/Natural Vent Gas Heater
Parallel Installation:
Minimum Clearance and Flue Centerline,
Direct Vent and Natural Vent
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Stove Clearances | A: 4Ó (102mm) |
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| B: 4Ó (102mm) |
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Pipe Centerlines | C: 14¹⁄₂Ó (369mm) |
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| D: 9Ó (229mm) | ST128a |
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Fig. 3 Parallel installation, minimum back and side clearances, and flue centerlines.
Wall Thimble Centerline from Floor
Direct Vent Only
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| ST131a |
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Effective Minimum |
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Wall Thimble | 58 ¹/₄Ó (1480mm)(CFM Majestic Pipe) | |||
Centerline | 54¹⁄₄Ó (1378mm) (Simpson DuraVent Pipe) | |||
Fig. 5 Minimum wall thimble centerline.
Wall and Ceiling Clearances
Corner Installation: Minimum Clearance and Flue Centerline, Direct Vent & Natural Vent
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B |
Direct Vent Only
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C
D
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Stove Clearance |
| A: 4Ó (102mm) | |||
Pipe Centerline |
| B: 14³⁄₄Ó (375mm) | |||
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| ST129b |
Fig. 4 Corner installation, minimum corner clearances and flue centerline.
A: Rear Wall | 4Ó (102mm) |
B: Min. Clearance | 43¹⁄₂Ó (1105mm)* |
C: Min. Alcove Height | 72Ó (1830mm)* |
D: Max. Alcove Depth | 48Ó (1220mm) |
Sidewall Clearance | 4Ó (102mm) |
*needed for installing DuraVent Minimum Vent Kit #2792 or
CFM/Majestic Minimum Vent Kit #7TFSDVSK. | ST101a |
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Fig. 6 Dimensions and clearances to ceiling or alcove.
Hearth Requirements
The Jefferson Heater must be installed on rigid flooring. When the heater is installed directly on any combustible surface other than wood flooring, a metal or wood panel extending the full width and depth of the unit must be used as the hearth. There are no other hearth require- ments.
6 | 20002191 |
