W415-1472 / 04.21.15
21
EN
4.5.3 MINIMUM INSIDE VERTICAL CLEARANCES
Outside air (Recommended)
(Installation showing inlet of out-
side air in ventilated crawl space)
Ceiling Support
Vent must maintain 3”
clearance to combus-
tibles.
Vertical Cap
Roof Flashing
Storm Collar
Floor Protection
3”
2”
4.5.4 CLASS A CHIMNEY RETROFIT
Class A Chimney
Ceiling Support
Outside air
(Recommended)
(Installation show-
ing inlet of outside
air in ventilated
crawl space)
Vent must maintain
3” clearance to
combustibles.
Roof Flashing
Storm Collar
Floor Protection
3”
2”
Vertical Cap
Summary of Contents for NPI45
Page 48: ...W415 1472 04 21 15 48 EN 67 20 29 58 41 38 43 44 63 57 60 6 11 3 NPI45 REPLACEMENT PARTS...
Page 54: ...W415 1472 04 21 15 54 EN 14 0 SERVICE HISTORY 43 1...
Page 55: ...W415 1472 04 21 15 55 EN 15 0 NOTES 44 1...
Page 106: ...106 W415 1472 04 22 15 FR 67 20 29 58 41 38 43 44 63 57 60 6 11 3 PI CES DE RECHANGE DU NPI45...
Page 114: ...114 W415 1472 04 22 15 FR 15 0 NOTES 44 1...
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