
P a g e 7 2 • D R I - S T E E M D e s i g n G u i d e
D R I - S T E E M D e s i g n G u i d e • P a g e 7 3
E
EEPROM — electrically erasable programmable read-only memory
EMI — electromagnetic interference
entrained condensate — water droplets transported by steam flow
EOS — end of season
EPDM — ethylene propylene dienemonomer
ETL — Electrical Testing Laboratory
F
°F — degrees Fahrenheit
F&T trap — float and thermostatic trap
flue piping —
Type B: Double-wall construction with aluminum inner wall
and galvanized steel outer wall
Type B-W: Same as Type B except fabricated in an oval shape
Type L: Same as Type B except inner wall is stainless steel
ft — foot, feet
ft
2
— square foot, feet
fpm — feet per minute
fps — feet per second
G
gpg — grains per gallon
gph — gallons per hour
gpm — gallons per minute
GTS humidifier — Gas-to-Steam humidifier
H
heat exchanger — a device specifically designed to transfer heat
between physically separated fluids or gasses
HEPA — high-efficiency particle arrestor
hp — horsepower
hr — hour, hours
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