WaterSaver fixtures are furnished with either a forged brass or a colored nylon handle. Handles have a full-view screw-on colored index button. Color-coding and symbol standards for index buttons are as follows:

Standard Indexing

Index Color Letter Color Symbol
Air Orange Black AIR
Carbon Dioxide Pink Black CO2
Cold Water Green White CW
Deionized Water White Black DI
Distilled Water White Black DW
Gas Blue White GAS
Hot Water Red White HW
Hydrogen Pink Black HYD
Nitrogen Brown White NIT
Oxygen Lt. Green Black OXY
Steam Black White STM
Vacuum Yellow Black VAC

Additional Indexing

Index Color Letter Color Symbol
Acetylene Violet White C2H2
Acetylene Violet White ACET
Ammonia Lt. Green Black NH3
Argon Violet White AR
Butane Lt. Blue Black BUT
Carbon Monoxide Silver Black CO
Chilled Water Green White CH WAT
Chilled Water Supply Green White CHWS
Chilled Water Supply Green White CWS
Chilled Water Return Green White CHWR
Chilled Water Return Green White CWR
Compressed Air Orange Black CA
Cylinder Gas Lt. Blue Black CYL GAS
Glycol Supply LT. Green Black GYL SUP
Glycol Return Lt. Green Black GYL RET
Helium Black White HE
High Vacuum Yellow Black HI VAC
High Vacuum Yellow Black HVAC
Hydrogen Pink Black H2
Hydrogen Lt. Blue Black H
Hydrogen Lt. Blue Black H2
Hydrogen Lt. Blue Black HYD
Ice Water White Black IW
Industrial Cold Water Green White ICW
Industrial Hot Water Red White IHW
Lab Air Orange Black LA
Lab Gas Blue White LG
Lab Vacuum Yellow Black LV
Low Vacuum Yellow Black LO VAC
Low Vacuum Yellow Black LVAC
Methane Lt. Blue Black CH4
Natural Gas Blue White NAT GAS
Nitrogen Gray Black NIT
Nitrogen Gray Black N2
Nitrogen Brown White N
Nitrogen Brown White N2
Nitrous Oxide Lt. Green Black N2O
Oxygen Lt. Green Black O2
Oxygen Lt. Green Black OXY
Process Water Green White PW
Reverse Osmosis White Black RO
Reverse Osmosis Deionized Water White Black RODI
Propane Pink Black PRO
Purified Water White Black PW
Special Gas Lt. Blue Black SG

French Indexing

Index Color Letter Color Symbol
Cold Water Green White EF
Distilled Water White Black ED
Gas Blue White GAZ
Hot Water Red White EC
Nitrogen Brown White AZ
Steam Black White VAP
Vacuum Yellow Black VIDE