Air Gap Requirements - Whirlpool WHER12 Installation And Operation Manual

The RO assembly and storage tank is designed for installation under the sink, usually in the kitchen
or bathroom. The RO assembly mounts on a wall surface, or can lay on the cabinet floor next to the
storage tank. Hanger washers and wood screws are included fk)r cabinet wall mounting. The RO prod-
uct water faucet installs on the sink, or on the countertop next to the sink.
NOTE:
Tubing lengths allow for the removal of the assembly from the hanger washers for
servicing. If tubing lengths are shortened for heater appearance, it may be necessary
to keep the assembly on the hanger washers tk)r service.
RO product
water faucet _
]1
(Model WriER12) ..___
RO product
water faucet
(Model WriER18)
HOT 'COLi/
/
/
/
sink drain
p-trap
RO Assembly
drain adaptor
Figure 2
Air Gap Requirements
A suitable drain point is needed for reject water from the RO membrane. A floor drain, laundry tub,
standpipe, sump, etc., is preferred. Asink p-trap drain adaptor is included to install where codes permit,
as an optional drain point. See "Install Drain Adaptor" section.
/
171/2" [
argap
floor drain
Z/2"
I airgap
-Z Cr--
standpipe
f
airgap
sump
/
171/2" __ _
argap /j
laundry tub