Installation manual
16  
RECOMMENDED FRAMING FOR BUILT IN HEATER 
When installing model BIH it is recommended that you use the dimensions shown in the diagram 
below. These clearances will make it easy and readily accessible for service. 
BUILT IN HEATER CLEARANCES TO COMBUSTIBLES 
This unit includes a 3” (75 mm) pedestal and surrounding faceplates. The part of the unit behind the 
faceplate can be enclosed with combustible material. Model BIH has 1” (25 mm) standoffs to establish 
clearances to combustibles to the back, top and sides. The minimum clearances and the size of this 
enclosure are as follows: 
-Sides and Rear ....................I- 0 INCHES (to standoffs) 
-Depth ...................................J- 11 INCHES (275 mm) 
-Side wall to unit.................... - 8 INCHES (200 mm 
-Mantle to unit .......................L- 8 INCHES (200 mm) 










