TrueSTEAM Humidification System
27 69-2285EFS—03

option 1: plumbing to drain with

condensate pump.

•UseHartellA3X-115condensate pumporequivalent
(212°Ftemperaturerating,>1GPMpumpflowrate).
•Pumpmustbepoweredwhen TrueSTEAMisoperating.
•Useapumpwith abuilt-inoverflowsensororinstallthepump
in a drip pan with wet switch wired to turn off TrueSTEAM.
•Supportrubberhoseevery 6in.
•PVCmustbeschedule 40orhigherrating.
•Allplasticpipejoints arewelded.
•DrainintoaP-trap thatwillremainwettedatalltimes.
1-1/2 IN. MINIMUM TRAP
(OR SIZE PER LOCAL CODE)
VENTED PER
LOCAL CODE
ALL PLASTIC PIPE
JOINTS ARE WELDED
M28679
3/4 IN. MNPT X SWEAT
3/4 IN. FNPT X 1-1/2 IN. PVC
1-1/2 IN. PVC
1-1/2 IN. (MINIMUM) PVC PIPE
3/4 IN. FNPT X 1-1/2 IN. PVC
3/4 IN. MNPT X 3/4 IN. CPVC
3/4 IN. FNPT X 1-1/2 IN. PVC
HOSE CLAMP
3/8 IN. BARB X 3/4 IN. MNPT
SIZE TO FIT PUMP OUTPUT

option 2: plumbing to a dedicated trap.

HOSE CLAMPS AT
ALL CONNECTIONS
3/8-IN. TUBING
RATED AT 212°F
M28713
3/4 IN. FNPT X 3/4 IN. CPVC
3/4 IN. CPVC PIPE
TO PUMP
ALTERNATIVE
HOSE FROM
TrueSTEAM

for all optIons shoWn:

3/4 IN. MNPT X SWEAT
3/4 IN. FNPT X 1-1/2 IN. PVC
1-1/2 IN. PVC
1-1/2 IN. (MINIMUM)
PVC PIPE
3/4 IN. FNPT X 1-1/2 IN. PVC
3/4 IN. MNPT X 3/4 IN. CPVC
3/4 IN. FNPT X 1-1/2 IN. PVC
HOSE CLAMP
3/8 IN. BARB X 3/4 IN. MNPT
M28680
ALL CONNECTIONS FROM
SOLENOID VALVE TO
DRAIN TRAP ARE SEALED
SINK
1-1/2 IN.
PVC TEE
1-1/2 IN. PVC
1-1/2 IN.
PVC
COUPLING
WELD
WELD
STAINLESS STEEL
SLOTTED BAND
COUPLING SIZED TO
FIT PIPE (COPPER,
PVC, CPVC)
SIZE TO FIT PUMP OUTPUT
ALTERNATIVE
THIS CONFIGURATION ALLOWS FOR
REMOVAL OF THE TRAP
THREADS
WELD

option 4: plumbing to sink trap.

3/4 IN. MNPT X SWEAT
3/4 IN. FNPT X 1-1/2 IN. PVC
1-1/2 IN. PVC
1-1/2 IN. (MINIMUM)
PVC PIPE
3/4 IN. FNPT X 1-1/2 IN. PVC
3/4 IN. MNPT X 3/4 IN. CPVC
3/4 IN. FNPT X 1-1/2 IN. PVC
HOSE CLAMP
3/8 IN. BARB X 3/4 IN. MNPT
M28681
ALL PLASTIC PIPE UNDER
SINK 1-1/2 IN. MINIMUM PVC
ALL CONNECTIONS FROM
SOLENOID VALVE TO
DRAIN TRAP ARE SEALED
SINK
COUPLING
WELD
WELD
THREADS
THREADS
WELD
WELD
WYE
1-1/2 IN. PVC
STAINLESS STEEL
SLOTTED BAND
COUPLING SIZED TO
FIT PIPE (COPPER,
PVC, CPVC)
ALTERNATIVE
THIS CONFIGURATION ALLOWS FOR
REMOVAL OF THE TRAP
SIZE TO FIT PUMP OUTPUT

option 3: plumbing to sink with a

dedicated trap.

3/4 IN. COPPER PIPE
3/4 IN. FNPT X SWEAT
HOSE
CLAMPS
HOSE FROM
TrueSTEAM
212°F RATED PUMP
1/2 IN. BARB X 3/4 IN. MNPT
FLEXIBLE
HOSE
M28678
SEAL ALL CONNECTIONS FROM
SOLENOID VALVE TO DRAIN STACK
3/4 IN. FNPT X
1-1/2 IN. PVC
1-1/2 IN. (MINIMUM) PVC PIPE
3/4 IN. FNPT X 3/4 IN. CPVC
3/4 IN. CPVC PIPE
3/8-IN. TUBING
RATED AT 212°F

connect to truesteam.

Common to all plumbing options.

appendIx c: adVanced draInInG