APPENDICES

Humidifier 69-2413EF—05
26
B: Advanced Draining

Option 1: Plumbing to drain with

condensate pump.

• Pump with (140°F temperature rating, > 5 GPH pumpflow rate, with 9-foot rise).• Pump must be powered when humidifier 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 humidifier.• 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
1/2 IN. MNPT X SWEAT
1/2 IN. FNPT X 1-1/2 IN. PVC
1-1/2 IN. PVC
1/2 IN. (MINIMUM) PVC PIPE
1/2 IN. FNPT X 1-1/2 IN. PVC
1/2 IN. MNPT X 1/2 IN. CPVC
1/2 IN. FNPT X 1-1/2 IN. PVC
HOSE CLAMP
1/2 IN. BARB X 1/2 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
3/4 IN. FNPT X 3/4 IN. CPVC
3/4 IN. CPVC PIPE
TO PUMP
ALTERNATIVE
HOSE FROM
HUMIDIFIER
FOR ALL OPTIONS SHOWN:
1/2 IN. MNPT X SWEAT
1/2 IN. FNPT X 1-1/2 IN. PVC
1-1/2 IN. PVC
1/2 IN. (MINIMUM)
PVC PIPE
1/2 IN. FNPT X 1-1/2 IN. PVC
1/2 IN. MNPT X 1/2 IN. CPVC
1/2 IN. FNPT X 1-1/2 IN. PVC
HOSE CLAMP
1/2 IN. BARB X 1/2 IN. MNPT
MCR29888
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
REMOVALOF THE TRAP
THREADS
WELD

Option 4: Plumbing to sink trap.

1/2 IN. MNPT X SWEAT
1/2 IN. FNPT X 1-1/2 IN. PVC
1/2 IN. PVC
1/2 IN. (MINIMUM)
PVC PIPE
1/2 IN. FNPT X 1-1/2 IN. PVC
1/2 IN. MNPT X 1/2 IN. CPVC
3/4 IN. FNPT X 1-1/2 IN. PVC
HOSE CLAMP
3/8 IN. BARB X 3/4 IN. MNPT
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
WYE
ALTERNATIVE
THIS CONFIGURATION ALLOWS FOR
REMOVALOF THE TRAP
SIZE TO FIT PUMP OUTPUT

Option 3: Plumbing to sink with a

dedicated trap.

1/2 IN. COPPER PIPE
1/2 IN. FNPT X SWEAT
HOSE
CLAMPS
HOSE FROM
HUMIDIFIER
140°F RATED PUMP
>5 GPH FLOW RATE
WITH 9-FT RISE
1/2 IN. BARB X 1/2 IN. MNPT
FLEXIBLE
HOSE
SEAL ALL CONNECTIONS FROM
SOLENOID VALVE TO DRAIN STACK
1/2 IN. FNPT X
1/2 IN. PVC
1/2 IN. (MINIMUM) PVC PIPE
1/2 IN. FNPT X 1/2 IN. CPVC
1/2 IN. CPVC PIPE
1/2-IN. TUBING
RATED AT 140°F

Connect to humidifier.

Common to all plumbing options.

STAINLESS STEEL SLOTTED BAND COUPLING SIZED TOFIT PIPE (COPPER, PVC, CPVC)WELD1-1/2 IN. PVC