GE PNRQ21LBN - Manual (Page 15)

Installation Instructions
FILTRATION DRAIN CONNECTION
PREFERRED INSTALLATION:
OPTION A—BASEMENT ACCESS
INSTALLATION
Route the drain line DIRECTLY from the Reverse
Osmosis system to a standpipe in the basement,
bypassing the air gap provided in the faucet. The
air gap installation is left to the discretion of the
installer. The drain line may also be routed to a
floor drain or washtub, provided that the air gap
is maintained. Special air gap fittings are available
to connect the drain line to the top of the standpipe.
Check and comply with local plumbing codes as you plan.
CAUTION:
The options detailed below are the ONLY approved installation
configurations. Do not use any drain saddle device.
NOTE: Failure to follow these Installation Instructions will void the warranty, and the installer will
be responsible for any service, repair or damages caused thereby.
15
Drain line from the Reverse Osmosis system
1 ″
1 ″ minimum air gap
must be maintained
PREFERRED INSTALLATION:
OPTION B—DRY-VENTED P-TRAP
INSTALLATION
Install a separate dry-vented p-trap under the
sink to be used exclusively for the Reserve
Osmosis drain line. A dry-vented p-trap is a
p-trap that has its own vent/stack. Attach the
drain line adapter to the p-trap and secure it
with the slip joint nut and washer as shown.
The drain line MUST be routed through the air
gap provided in the RO water faucet.
Reverse
Osmosis
drain line
Optional disposer