Other Plumbing Options; For All Options Shown; Connect To Steam Humidifier - Honeywell TrueSTEAM HM612A1000/U Installation Manual

Other Plumbing Options

The following diagrams are for applications where standard draining to a floor drain is not available.Choose the
plumbing option that suits your installation. Use A, B, C, or D based on type of pipe or condensate pump. Consult
and follow local plumbing codes in addition to these instructions.

For All Options Shown:

• Support rubber hose every 6 in.
• PVC must be schedule 40 or higher rating.

Connect to Steam Humidifier

Common to all plumbing options.
1/2 IN. BARB X 3/4 IN. MNPT
Option 1: Plumbing
to drain with
condensate pump.
Steam Humidifier System 69-2285—11
SEAL ALL CONNECTIONS FROM
SOLENOID VALVE TO DRAIN STACK
FLEXIBLE
HOSE
HOSE
CLAMPS
HOSE FROM
STEAM
HUMIDIFIER
212°F RATED PUMP
• Use Hartell A3X-115 condensate pump or equivalent
(212°F temperature rating, > 1 GPM pump flow rate).
• Pump must be powered when Steam 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 Steam Humidifier.
• All plastic pipe joints are welded.
• Drain into a P-trap that will remain wetted at all
times.
3/4 IN. FNPT X SWEAT
3/4 IN. COPPER PIPE
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
MCR28678
HOSE FROM
STEAM HUMIDIFIER
ALTERNATIVE
3/4 IN. FNPT X 3/4 IN. CPVC
3/4 IN. CPVC PIPE
TO PUMP
HOSE CLAMPS AT
ALL CONNECTIONS
3/8-IN. TUBING
RATED AT 212°F
M28713A
17