Hearth & Home Technologies MBK Benutzerhandbuch

Page 11

7004-187F   September 1, 2008

R

To be sure that your stove burns properly, the chimney draft 
(static pressure) should be approximately -.04” water column 
(W.C.) during a low burn and -.10” W.C. during a high burn, 
measured 6 inches” (152mm) above the top of the stove after 
one hour of operation at each burn setting.    NOTE:  These 
are guidelines only, and may vary somewhat for individual 
installations.

Your stove was designed for and tested on a 6 inch (152mm) 
chimney, 12 ft-14 ft (360-420cm) high, measured from the 
flue collar to the top of the chimney (not including chimney 
cap).  The further your stack height or diameter varies from this 
configuration, the possibility of performance problems exists.  
In addition, exterior conditions such as roof line, surrounding 
trees, prevailing winds and nearby hills can influence stove 
performance.  Your local dealer is the expert in your geographic 
area and can usually make suggestions or discover solutions 
that will easily correct your flue draft problem, allowing your 
woodstove and its flue system to operate correctly and provide 
safe and economical heat for your home.

A masonry chimney or a listed factory-built UL103 HT Class 
“A” chimney must be the required height above the roof and 
any other nearby obstructions.  The chimney must be at least 3 
ft. (91cm) higher than the highest point where it passes through 
the roof and at least 2 ft. (61cm) higher than the highest part of 
the roof or structure that is within 10 ft. (305cm) of the chimney, 
measured horizontally.  See 2-10-3 Rule (Figure 11A)

We recommend using a minimum total system height of 12 ft.  

(360cm), measured from the flue collar to the top of the chimney 
(not including chimney cap).  

Availability of combustion air:  A source of air (oxygen) is 
necessary in order for combustion to take place.  It is important 
to realize that whatever combustion air is consumed by the fire 
must be replaced.  If you are using room air, the air is replaced 
via air leakage that occurs around windows and under doors, 
etc.  However, in most newly constructed houses, mobile 
homes, or even existing homes that are fitted with tightly sealed 
doors and windows, the area from which the combustion air 
is taken is relatively air tight.  In these cases, an outside 
air source must be made available to feed combustion air 
from outside the home into the stove.  An Outside Air Kit is 
available for this stove as an option, Part 831-1780.  The 
kit is a requirement for mobile home installations.  Check 
with the local authorities in your area for the requirements 
in your location.

3 ft Min
(91cm)

2 ft Min (61cm)

10 ft Min
(305cm)

There are two separate and different parts to a flue system: the 
chimney connector and the chimney itself.

A.  Single wall connector or stovepipe.  This must be at least 

24 gauge mild steel or 26 gauge blue steel.  The sections 
must be attached to the stove and to each other with the 
crimped (male) end pointing toward the stove.  See Figure 
11B.  All joints, including the connection at the stove collar, 
should be secured with 3 sheet metal screws.  Make sure 
to follow the minimum clearances to combustibles as 
set out on page 6 of this manual.  In Canada, where 
passage through the wall, or partition of combustible 
construction is desired, the installation shall conform to 
CAN/CSA-B365.

B.  Factory-built listed chimney connector (vented).  A listed 

connector (vented) must be used when installing this unit 
in a mobile home.  A Listed chimney and Listed connector 
must be used.  They must conform to each other to ensure 
a proper fit and seal.

FLUE 

GAS

 DIRECTION

TOWARDS 

STOVE