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Note: The GDST4336IFT/GDFL4136IFT models can
adapt to SLP series vent pipe, if desired.
When venting off the top of the unit, use a DVP-2SL adapter
and a minimum 48 inch vertical section of SLP series vent pipe.
A DVP-SLP24 adapter may also be used with a 24 inch
vertical section of SLP series vent pipe.
After the 48 inch vertical section, the venting table rules
must be followed. The fi rst 48 inch vertical section is NOT
counted as part of the vertical components in the table. It is
still counted as part of the overall maximum run. All venting
table rules for the vent run must still be followed.
Example: DVP pipe 1 ft. min. vertical = 3 ft. max. horizontal
SLP pipe 5 ft. min. vertical = 3 ft. max. horizontal
Heatilator • GDST4336IFT, GDFL4136IFT Installation Manual • 2480-980 Rev. B • 3/17
HORIZONTAL EXAMPLE
(IDENTICAL VENT RUNS USING DVP AND SLP PIPE)
DVP PIPE
H
= 3 ft. (914 mm)
1
max.
SLP PIPE
H
= 3 ft. (914 mm)
1
max.
4 ft. SLP (1.2 m)
AND
DVP-2SL
VERTICAL EXAMPLE
(IDENTICAL VENT RUNS USING DVP AND SLP PIPE)
3 ft (914 mm) min.
56 ft (17 m) max.
3 ft (914 mm) min.
60 ft (18.3 m) max.
DVP
Figure 4.9 Adapt DVP Pipe to SLP Using DVP-SLP24 & DVP-2SL
V
= 1 ft. (305 mm)
1
V
= 1 ft. (305 mm)
1
2 ft. SLP (305 mm)
DVP-SLP24
OR
2 ft. SLP
(305 mm)
4 ft. SLP
OR
DVP-SLP24
AND
Adapter
DVP-2SL
SLP
21
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