Lennox Hearth 1003C Manuale Utente

 

PAGE 6 

 
WARNING:  IT IS VERY IMPORTANT THAT YOU OB-
SERVE THE MINIMUM CLEARANCES.

 

There are listed clearances for your stove which were deter-
mined in a Laboratory test using various "classes" of stove pipe 
or chimney.  Minimums are first established for the stove itself 
and increased based on how much heat is transferred by each 
class of pipe. 

 

NOTE: Manufactured (mobile) home installations require the 
use of a Type L-Vent Chimney connector only. Use of a single 
wall flue pipe connection is not permitted. 
 
Manufactured (Mobile) Home Standard and Residential 
Reduced - Using 6” (152 mm) diameter Type L-Vent connector 
pipe (to the top of the stove) with listed factory-built 103HT 
chimney suitable for use with solid fuels or a code approved 
masonry chimney. Approved brands of factory built chimney are 
Dura-Vent, Security, Jake Evans and Metal Bestos. 

 

MANUFACTURED (MOBILE) HOME INSTALLATIONS MUST 
BE EQUIPPED WITH A RAIN CAP AND SPARK ARRESTOR.

 

 

A. 14 / 356 

C. 17 / 432 

E. 16 / 406  

B. 25 / 635 

D. 9 / 229 

F. 8 / 203 

 

 
Residential Standard  (not approved for manufactured 
[mobile] homes) Using 6” (152 mm) diameter, single wall 
connector pipe with listed factory-built to the top of the 
stove.  

Clearances (inches / millimeters) 
A. 22 / 559  

C. 25 / 635 

E. 16 / 406  

B. 25.5 / 648 

D. 16 / 406 

F. 15 / 381 

 

Residential Note: Approved for 6” (152 mm) diameter, 
single wall, minimum 24 MSG black or blued steel con-
nector pipe with listed factory-built 103HT chimney 
suitable for use with solid fuels or a code approved 
masonry chimney. 

 
Manufactured (Mobile) Home Reduced and Residen-
tial Reduced Using 6” (152 mm) diameter Type L-Vent 
connector pipe (to the top of the stove) with listed fac-
tory-built 103HT chimney suitable for use with solid fuels 
or a code approved masonry chimney. Approved brands 
of factory built chimney are Dura-Vent, Security, Jake 
Evans and Metal Bestos. MANUFACTURED (MOBILE) 
HOME INSTALLATIONS MUST BE EQUIPPED WITH A 
RAIN CAP AND SPARK ARRESTOR. Alcove size: 84” 
(213 cm) minimum height, 56” (143 cm) minimum width, 
and 24” (610 mm) maximum depth. 

 

Clearances (inches / millimeters) 
A. 11 / 280   

C. 14.5 / 369   

E. 16 / 406   

B. 25.5 / 648   

D. 5.5 / 140   

F. 5.5 / 140   

 

Vent Height (all installations) - The pipe should extend 
12 feet above the stove top, as a minimum, to achieve a 
stable draft. 

 

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