VENT TUBE HEIGHT
VENT TUBE HEIGHT IS OPTIONAL:
OPTION A:
INSTALL VENT TUBE HEIGHT
W
ITH TOP OF THE TUBE BELOW THE LEVEL
O
F THE WATER SENSOR TO ALLOW THE
FURNACE TO RUN WHEN THE DRAIN IS
B
LOCKED. THIS OPTION WILL SPILL WATER
OUT OF THE TUBE WHEN THE DRAIN IS
BLOCKED, BUT THE FURNACE WILL
CONTINUE TO RUN.
OPTION B: INSTALL VENT TUBE HEIGHT
WITH TOP OF THE TUBE ABOVE THE LEVEL
OF THE LOWER CONDENSATE WATER
SENSOR TO SHUT THE FURNACE DOWN
W
HEN THE DRAIN IS BLOCKED. THIS OPTION
WILL NOT SPILL WATER FROM THE DRAIN
VENT, BUT THE FURNACE WILL ALSO NOT
CONTINUE TO RUN WITH A BLOCKED DRAIN.
CONDENSATE DRAIN LOCATING
INSTRUCTIONS
NOTE:
THIS IMAGE INTENTIONALLY DEPICTS A GENERIC VIEW OF
THE DRAIN ROUNTING, THE INSTALLER HAS THE OPTION TO
ROUTE THE DRAIN TO THE RIGHT OR LEFT OF THE
FURNACE AS NEEDED.
ST-A1194-70-00
A
I
R
F
L
O
W
OVERFLOW LINE
(REQUIRED ONLY WHEN
O
PTIONAL NEUTRALIZER
C
ARTRIDGE IS USED)
T
O FLOOR DRAIN
OR
CONDENSATE PUMP
DRAIN LINE
NEUTRALIZER
CARTRIDGE
(OPTIONAL)
HEIGHT OPTION “A”
HEIGHT OPTION “B”
HEIGHT OF LOWER
CONDENSATE DRAIN SENSOR
CONDENSATE
TRAP
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