12
UH
Series
Clearance to Combustibles
Clearance to combustibles is defined as the minimum distance that must exist between the specified
feature of the heater, and any combustible items. It also pertains to the distance that must be
maintained from moving objects around the unit heater. A recommended service clearance is defined
as the minimum distance that is needed to properly service the heater. When installing the unit heater,
clearances to combustible for the model heater must be maintained. Refer to Chart 2.4 to determine the
required distances for your model.
Placement of explosive objects, flammable objects, liquids and vapors
close to the heater may result in explosion, fire, property damage,
serious injury or death. Do not store or use explosive objects, liquids or
vapor in the vicinity the heater.
WARNING
!
Chart 2.4 •
Clearances to Combustible Materials (in Inches) Residential Models
Figure 2.1
•
Clearance to Combustibles Diagram
2.0
Safety
•
Clearance to Combustibles
FRONT VIEW
Unit Side
Front
Top and
Bottom
Access
Side
Non-Access
Side
Rear
Vent
Connection
Clearance to Combustibles
60
1
18
1
1
6
Clearance to Allow Service
60
1
18
1
18
6
Access
Side
Non-Access
Side
Top
Bottom
Vent
Connection
Rear
Front
Top
Bottom
SIDE VIEW
