35
Boiler Manual
Figure 6-12
VT-A Rev. 8/28/09
K. DIAGRAM FOR HORIZONTAL VENTING
PART 6: VENTING, COMBUSTION AIR & CONDENSATE REMOVAL
(CONTINUED)
n
WARNING
All vent pipes must be glued, properly supported and the exhaust must be pitched a minimum of a ¼" per
foot back to the heater (to allow drainage of condensate). When placing support brackets on vent piping,
the first bracket must be within 1 foot of the appliance and the balance at 4 foot intervals on the vent pipe.
The boiler venting must be readily accessible for visual inspection for the first three feet from the boiler.
A. FOR EVERY 1" OF OVERHANG THE EXHAUST VENT MUST BE LOCATED 1" VERTICAL BELOW OVERHANG
(OVERHANG MEANS TOP OF BUILDING STRUCTUREAND NOT TWO ADJACENT WALLS (CORNER OF BUILDING)).
B. 12" SEPARATION BETWEEN BOTTOM OF EXHAUST OUTLET AND TOP OF AIR INTAKE (TYP.)
C. MAINTAIN 12" MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL OR GRADE WHICHEVER IS
GREATER (TYP.)
D. MINIMUM 12" BETWEEN VENTS WHEN INSTALLING MULTIPLE VENTS
E. 12 " MIN. BEYOND INTAKE
A
D
C
MULTIPLE BOILERS
SINGLE BOILER
RIZONTAL VENTING
E
Summary of Contents for EL-110 LP
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Page 49: ...48 Boiler Manual PART 8 FIELD WIRING CONTINUED Fig 8 5 LP 293 J Rev 1 14 10 ...
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