6
D & E
To sidewall termination
F
A
C
B
Condensate
Pump
*
A99099
Fig. 6 -- Vent Located Below Floor in Which Furnace is Located with Vent Between Floor Joists
D & E
To sidewall termination
F
A
B
Condensate
Pump
G
Floor Joists
To Code -
Approved Drain
A. Restricted to maximum of 60
”
B. Restricted to maximum of 24
”
below flooring
D. Pipe must slope back to external drain trap
E. Pipe must be insulated when exposed to freezing temperatures
F. Drain trap must use heat tape for freeze protection
G. Elbow must connect directly into external drain trap tee-vent fitting
A99100
Fig. 7 -- Vent Located Below Floor on which Furnace is Located with Vent Below Floor Joists