
Form 43343350
-4- Oct 2013
4.0) MINIMUM CLEARANCES TO COMBUSTIBLES
Failure to do so may result in death, serious injury or
property damage.
Combustible material must be located outside the
clearance dimensions listed.
In tall the warning card (ordered eparately) and complete the blank pace u ing the clearance from
combu tible table below. See Section 26 for a printed copy of the warning card.
Minimum clearance to combu tible hall be mea ured from the outer urface a hown in the following
diagram:
End End
Ceiling
Below
Front
Rear
45° Angle (Maximum)
* Ceiling
Below
Side Side
Horizontal
MINIMUM CLEARANCES TO COMBUSTIBLES
MINIMUM CLEARANCES TO COMBUSTIBLESMINIMUM CLEARANCES TO COMBUSTIBLES
MINIMUM CLEARANCES TO COMBUSTIBLES
Model No.
Model No.Model No.
Model No.
Mounted Horizontally
Mounted HorizontallyMounted Horizontally
Mounted Horizontally
Angle Mounted at
Angle Mounted at Angle Mounted at
Angle Mounted at
45º
45º45º
45º
Side
SideSide
Side
Ceiling*
Ceiling*Ceiling*
Ceiling*
Below
BelowBelow
Below
End
EndEnd
End
45º Front
45º Front45º Front
45º Front
45º Rear
45º Rear45º Rear
45º Rear
R(B,S,M) S/U 100 28” 6” 70” ** 15” 58” 12”
R(B,S,M) S/U 125 28” 6” 76” ** 20” 66” 12”
* When u ed indirect vented, minimum clearance for CEILING mu t be: 12” for R(B,S,M) S/U 050-075 and 18”
for R(B,S,M) S/U 100-200. If optional corner and u-bend reflector are not u ed, the clearance mu t be 18”.
** Maximum clearance below reduce by 50% once you are 25ft. down tream from the burner box.
▲WARNING:
▲WARNING:▲WARNING:
▲WARNING:
Certain material or object , when tored under the heater, will be ubjected to radiant heat and
Certain material or object , when tored under the heater, will be ubjected to radiant heat and Certain material or object , when tored under the heater, will be ubjected to radiant heat and
Certain material or object , when tored under the heater, will be ubjected to radiant heat and
could be eriou ly damaged. Ob erve the Minimum Clearance to Combu tible li ted in the manual and on the
could be eriou ly damaged. Ob erve the Minimum Clearance to Combu tible li ted in the manual and on the could be eriou ly damaged. Ob erve the Minimum Clearance to Combu tible li ted in the manual and on the
could be eriou ly damaged. Ob erve the Minimum Clearance to Combu tible li ted in the manual and on the
heater at all time .
heater at all time .heater at all time .
heater at all time .
NOTE:
NOTE:NOTE:
NOTE:
1.
1. 1.
1. The clear
The clearThe clear
The clearance pecified above mu t be maintained to combu tible and other material that may be
ance pecified above mu t be maintained to combu tible and other material that may be ance pecified above mu t be maintained to combu tible and other material that may be
ance pecified above mu t be maintained to combu tible and other material that may be
damaged by temperature 90ºF above ambient temperature. Clearance to combu tible are po ted on the
damaged by temperature 90ºF above ambient temperature. Clearance to combu tible are po ted on the damaged by temperature 90ºF above ambient temperature. Clearance to combu tible are po ted on the
damaged by temperature 90ºF above ambient temperature. Clearance to combu tible are po ted on the
burner
burnerburner
burner
box. In area u ed for torage of combu tible material w
box. In area u ed for torage of combu tible material wbox. In area u ed for torage of combu tible material w
box. In area u ed for torage of combu tible material where they may be tacked below the heater,
here they may be tacked below the heater, here they may be tacked below the heater,
here they may be tacked below the heater,
NFPA54 require that the in taller mu t po t ign that will “ pecify the maximum permi ible tacking height
NFPA54 require that the in taller mu t po t ign that will “ pecify the maximum permi ible tacking height NFPA54 require that the in taller mu t po t ign that will “ pecify the maximum permi ible tacking height
NFPA54 require that the in taller mu t po t ign that will “ pecify the maximum permi ible tacking height
to maintain the required clearance from the heater to combu tible .”
to maintain the required clearance from the heater to combu tible .” to maintain the required clearance from the heater to combu tible .”
to maintain the required clearance from the heater to combu tible .” Me tek, Inc.
Me tek, Inc.Me tek, Inc.
Me tek, Inc.
recommend
recommendrecommend
recommend
po ting
po ting po ting
po ting the e
the e the e
the e
ign adjacent to the heater thermo tat or other uitable location that will provide enhanced vi ibility.
ign adjacent to the heater thermo tat or other uitable location that will provide enhanced vi ibility.ign adjacent to the heater thermo tat or other uitable location that will provide enhanced vi ibility.
ign adjacent to the heater thermo tat or other uitable location that will provide enhanced vi ibility.
2.
2. 2.
2. The tated clearance to combu tible repre ent a urface temperature of 90 ºF (32 ºC) above room
The tated clearance to combu tible repre ent a urface temperature of 90 ºF (32 ºC) above room The tated clearance to combu tible repre ent a urface temperature of 90 ºF (32 ºC) above room
The tated clearance to combu tible repre ent a urface temperature of 90 ºF (32 ºC) above room
temperature. Building material with a low
temperature. Building material with a low temperature. Building material with a low
temperature. Building material with a low heat tolerance ( uch a pla tic , vinyle iding, canva , tri
heat tolerance ( uch a pla tic , vinyle iding, canva , triheat tolerance ( uch a pla tic , vinyle iding, canva , tri
heat tolerance ( uch a pla tic , vinyle iding, canva , tri-
--
-ply, etc.)
ply, etc.) ply, etc.)
ply, etc.)
may be ubject to degradation at lower temperature . It i the in taller’ re pon ibility to a ure that adjacent
may be ubject to degradation at lower temperature . It i the in taller’ re pon ibility to a ure that adjacent may be ubject to degradation at lower temperature . It i the in taller’ re pon ibility to a ure that adjacent
may be ubject to degradation at lower temperature . It i the in taller’ re pon ibility to a ure that adjacent
material are protected from degradation.
material are protected from degradation.material are protected from degradation.
material are protected from degradation.