Specifications

5
1.5 Clearance to Combustibles.
The minimum clearances to combustible
materials are given in the tables below.
These minimum distances MUST be adhered to
at all times.
Figure 2 Diagram illustrating the clearance to combustibles
VSXUS90 (ins) VSXUS140 (ins)
Below Tubes
A
82 90
To the Sides
B
35 35
Above Reflector
C1
4 4
Above Burner / Heater Outlet Vented
C2
20 20
Above Burner / Heater Outlet Unvented
C3
24 24
Behind Burner
D1
32 42
Behind Burner with Vent connected
D2
24 24
End Wall
F
21 21
Table 2. Clearances to combustibles VSXUS
C1
B
E
A
C2 or C3
D1
or
D2
B
B
A
VSX models
Minimum clearance from the heater must be maintained from vehicles parked below heater.
In all situations, clearances to combustibles must be maintained. Signs should be posted in
storage areas to specify maximum stacking height to maintain required clearance to
combustibles. Refer to mounting clearance tables.
WARNING:
IMPORTANT:
The stated clearance to combustibles
represents a surface temperature of 90°F (32°C)
above room temperature. Building material with
a low heat tolerance may be subject to
degradation at lower temperatures.
It is the installer’s responsibility to assure that
adjacent material are not subject to degradation.