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UHA L
OW
 P
ROFILE
 U
NIT
 H
EATER
 I
NSTALLATION
 O
PERATION
 
AND
 S
ERVICE
 M
ANUAL
10 
SECTION 5: MAJOR COMPONENTS 
5.1 General 
Heaters are designed for installation above 6' 
 
(1.8 m). These heaters must be installed within the 
heated space. Duct delivery systems are not 
permitted with axial fan units. When handling or 
supporting the heater from below, ensure that the 
weight is taken at the support points.
The gas or electrical supply lines must not be used 
to support the heater.
Do not locate the gas or electrical supply lines 
directly over the path of the flue products from the 
heater. 
The heater must be installed in accordance with 
clearances to combustibles as indicated on the wall 
tag and this manual.
5.2 Shelf Mounting and Suspension
Four suspension points (3/8" nuts) are located on 
the top of the heater. Drop rods must be 3/8" 
diameter mild steel.
When handling or supporting the heater from below, 
ensure that the weight is taken at the support points.
For typical suspension, See Page 11, Figure 5.
For typical shelf mounting on existing shelf, See 
Page 11, Figure 6
5.3 Wall Mounting
For typical suspension, See Page 12, Figure 7. Wall 
mounted heaters blowing parallel to the wall can 
only be installed with the service door away from the 
wall.
The wall mounting brackets must be attached to a 
suitable wall using all mounting holes. Screw sizes 
less than 3/8" may not be used. In order for the wall 
mounting brackets to adequately carry the weight of 
the heater, it must be installed according to best 
building practices.
WARNING
Crush Hazard
Use 3/8" threaded rod 
minimum.
Failure to follow these 
instructions can result in 
death, injury or property 
damage.