Specifications

15
Needle Valve
Humidifier Lbs/Hr
Height
(Inches)
*Overflow Pipe
(Inches)
GTS-75 55 12 ¾
GTS-100 75 12 ¾
GTS-150 110 12 ¾
GTS-200 150 12 ¾
GTS-300 225 18 1
GTS-400 300 18 1
PIPING DIAGRAMS: GAS, WATER, AND DRAIN
OM-736
Water Supply Line (25 psi minimum)
GTS
®
-DI
Gas Piping
Gas Supply Line
Drip Pocket
***
3" Min.
Plugged 1/8" NPT
Test Gage
Connection
***
Humidifier Shroud
OM-764
*** Supplied by others.
To Humidifier Gas
Connection (elbow
supplied by DRI-STEEM)
Standard Unit (Non-DI/RO Water)
Steam Outlet
Air Gap
OM-738
Alternate Water Seal and Drain Valve Piping (by installer)
Used when water seal must be elevated above flow line of drain
connection (humidifier near floor)
OM-737
Steam Outlet
¼" NPT Water Supply
(30 psi minimum)
Float-Operated Water
Make-up Valve
Open Drain
**
Air Gap
¾" SST Drain Valve
Open Drain
**
Manual or Optional
Electric Drain Valve
Water Supply Line
(25 psi minimum)
Flue Connection
Float-Operated
Low-Water Cut-off
Manual Electric Drain Valve
Water Skim/Overflow Outlet
Solenoid Water
Make-up Valve
Note: Flow Line of Water
Seal cannot be above
Flow Line of Skimmer
Outlet
Air Gap
Open Drain
**
Shroud
Three-Probe Level Control
and Low Water Cut-off
Solenoid Water Make-up Valve
Needle Valve
Water Skim/Overflow Outlet
*
Drain and Water Seal Piping* (by installer)
Drain and Water Seal
Piping
* (by installer)
Gas Cock
***
Ground Joint
Union with
Brass
Seat***
Overflow
Table 15-1: Water Seal Height
Recommendations
* Drain piping material must be suitable for
212°F (100°C) water.
** Refer to local codes for drain pipe sizing and
maximum temperature requirements.
* Drain piping material must be suitable for 212°F (100°C) water.
** Refer to local codes for drain pipe sizing and maximum temperature requirements.
Note: If piping to dispersion tube is over 20 feet increase water seal height by 15%.
* Piping material must be suitable for 212°F (100°C) water.
** Refer to local codes for drain pipe sizing and maximum temperature
requirements.
GTS-IOM-1298.pdf 15 11/17/2009 3:57:04 PM