NBT
series Acidic Condensate pH Treatment Kits –– Installation/Operation & Maintenance
Piping Methods
C
F
F
F
F
B
D
E
Piping for Multiple Heating Units with Common NBT-23 pH Treatment Tank.
Common Flue Vent with Separate NBT-23 pH Treatment Tank
Figure 6
Key
A
Rev. 01/2016
Flue Drain
B
C
D
E
F
Boilers/Hot Water Heaters/Furnaces Condensate Common Drain
Common Flue Vent
NBT-23 pH Treatment Tank
House Drain
Boilers, Hot Water Heaters, Furnaces
Note: Contact Factory for pH Treatment Tank Sizing and Piping Sizing
G
D
G
Condensate Trap
A
G
G
G
G
Figure 7
Piping for Multiple Heating Units with Common NBT pH Treatment Tanks. Common Flue Vent with
Separate NBT pH Treatment Tank.
A
Boilers / Hot Water Heaters / Furnace Common Drain
B
Flue Drain
C
Common Flue Vent
D
NBT pH Treatment Tanks
E
House Drain
F
Boilers / Hot Water Heaters / Furnaces
G
Condensate Trap
Note:
Contact Factory for pH Treatment Tank Piping Size
OUTDOOR INSTALLATIONS — provide and install electric heat tape provide and install electric heat tape and insula-
tion
on the condensate drain lines and around the NBT tanks to prevent possibility of neutralizer tube damage or line
blockage due to freezing. Failure to comply with the following guidelines could result in severe personal injury, death
or substantial property damage.
C
F
F
F
F
B
E
Piping Multiple Heating Units/Individual NBT-23 pH Treatment Tank
Common Vent Piping/Common Condensate Drain
Figure 7
Key
A
Rev. 01/2016
Flue Drain
B
C
D
E
F
Boilers/Hot Water Heaters/Furnaces Condensate Common Drain
Common Flue Vent
NBT-23 pH Treatment Tank
House Drain
Boilers, Hot Water Heaters, Furnaces
Note: Contact Factory for pH Treatment Tank Sizing and Piping Sizing
G
D
G
Condensate Trap
D
D
D
D
G
G
G
G
A
Figure 8
Piping for Multiple Heating Units / Single pH Treatment Kit / Common
Vent Piping / Common Condensate Drain
A
Boilers / Hot Water Heaters / Furnace Condensate Common
Drains
B
Flue Drain
C
Common Flue Vent
D
NBT pH Treatment Tanks
E
House Drain
F
Boilers / Hot Water Heaters / Furnaces
G
Condensate Trap
Note:
Contact Factory for pH Treatment Tank Piping Size
7
