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FIGURE 4
CONDENSATE DRAIN THROUGH TEE PIPE AND DRAIN LOOP
DRAIN LOOP WITH WATER
TRAP (TO CONDENSATE DRAIN)
GROUND LEVEL
NOTE - MINIMUM HORIZONTAL LENGTH 3 FT. (91.4 CM) NOT
INCLUDING TERMINATION. REFER TO TABLE 2 FOR
MAXIMUM LENGTH AND NUMBER OF ELBOWS.
MAY BE SINGLE WALL (26 GSG) GALV. OR EQUIVALENT STAINLESS STEEL SEALED ACCORDING TO
THESE INSTALLATION INSTRUCTIONS. SLOPE: - 1/4 INCH FOR 1 FOOT RUN MINIMUM.
DOWNWARD SLOPE ON HORIZONTAL VENT-COMMERCIAL INSTALLATION
COMMON VENTING NOT ALLOWED WHEN HORIZONTALLY VENTING THE UNIT HEATER.
VENT TERMINATION
12” (30.5 CM) MIN. FROM WALL TO
VENT TERMINATION
(TERMINATIONS MAY
USE WIRE MESH BIRD
SCREEN)
AIR INLET
TERMINATION
LISTED THIMBLE
THROUGH
COMBUSTIBLE WALL
12” (30.5 CM) MIN. FROM
AIR INLET TO VENT
TERMINATION (MAY
BE HORIZONTAL OR
VERTICAL CLEARANCE)
12” (30.5 CM) MINIMUM ABOVE
HIGHEST SNOWFALL
FIGURE 5
CONDENSATE DRAIN THROUGH VENT TERMINATION
GROUND LEVEL
NOTE - MINIMUM HORIZONTAL LENGTH 3 FT. (91.4 CM) NOT
INCLUDING TERMINATION. REFER TO TABLE 2 FOR
MAXIMUM LENGTH AND NUMBER OF ELBOWS.
MAY BE SINGLE WALL (26 GSG) GALV. OR EQUIVALENT STAINLESS STEEL SEALED ACCORDING TO
THESE INSTALLATION INSTRUCTIONS. SLOPE: - 1/4 INCH FOR 1 FOOT RUN MINIMUM.
DOWNWARD SLOPE ON HORIZONTAL VENT-COMMERCIAL INSTALLATION
COMMON VENTING NOT ALLOWED WHEN HORIZONTALLY VENTING THE UNIT HEATER.
VENT TERMINATION
12” (30.5 CM) MIN. FROM WALL TO
VENT TERMINATION
(TERMINATIONS MAY
USE WIRE MESH BIRD
SCREEN)
AIR INLET
TERMINATION
LISTED THIMBLE
THROUGH
COMBUSTIBLE WALL
12” (30.5 CM) MIN. FROM
AIR INLET TO VENT
TERMINATION (MAY
BE HORIZONTAL OR
VERTICAL CLEARANCE)
12” (30.5 CM) MINIMUM ABOVE
HIGHEST SNOWFALL