Installation manual

Page 9 
If the boiler is to be installed in a "direct vent" configuration, please refer to the B10 
Direct Vent Addendum supplied with the Direct Vent Kit. 
PROVISIONS FOR COMBUSTION AIR AND VENTILATION AIR MUST BE IN 
ACCORDANCE WITH SECTION 5.3, “AIR FOR COMBUSTION AND 
VENTILATION”, OF THE NATIONAL FUEL GAS CODE, ANSI Z223.1, OR 
APPLICABLE PROVISIONS OF THE LOCAL BUILDING CODES. DO NOT 
INSTALL THE BOILER UNTIL PROPER COMBUSTION AIR HAS BEEN 
ARRANGED. 
3. Boiler Location 
The following are the minimum clearance to construction or combustible materials: 
1.  9” from the top, sides, 
and rear of the boiler. 
2.  18” from the flue pipe in 
any direction. 
3.  24” from the front of the 
boiler. 
DANGER 
The boiler must be located on a non-combustible floor. A smooth, level 
concrete floor is recommended. Locate the boiler as close as possible to the 
chimney. If boiler is installed on combustible flooring, consult local authorities for 
proper method of covering floor. The boiler must not be installed on carpeting. 
Caution: Do not store or use flammable materials, chemicals or 
flammable liquids, especially gasoline, in the vicinity of this heating 
appliance. 
WARNING 
Boiler is certified as an indoor appliance. Do not install boiler outdoors or locate 
where it will be exposed to freezing temperatures 
24” 
9” 
9” 










