MIN 4FT
( 122 CM )
APPROVED EXHAUST
VENT MATERIAL
MIN 4FT / 122 CM
ABOVE AIR
INTAKE PIPING
SCREENED INLET
EXHAUST OUTLET
IF SNOW ACCUMULATION
IS APPLICABLE, OPENING TO BE
1 FT. / 30 CM ( MIN. ) ABOVE
THIS NORMALLY EXPECTED LEVEL.
TYPICAL ROOF PENETRATIONS
( SUGGESTED TERMINATION CONFIGURATIONS )
EXHAUST STACK IS DOWNWIND
OF AIR INTAKE OPENING
VSRT
BOILER
( SIDE VIEW )
NOTE:
AIR INTAKE AND EXHAUST TERMINATION SHOULD BE
SEPARATED AS FAR AS POSSIBLE TO PREVENT FLUE GAS
RECIRCULATION DURING DIFFERENT WIND CONDITIONS.
AIR INLET
NOTE:
1.) When using horizontal runs follow a 1/4" per foot rise to run ratio
2.) Maintain minimum 9" / 22.86 cm air space clearances to combustables,
wires and insulation
3.) Install support straps at 5 FT / 152 CM horizontal intervals and at elbows
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