Step-by-step installation instructions.
Feed Water Supply
Check and comply with local plumbing codes as you plan, then install a cold feed water supply fitting.
For new home installation using standard plumbing fittings, see Fig. 2A below. A typical installation
for existing homes using the saddle valve is shown in Fig. 2B below.
A. PREFERRED INSTALLATION
Turn off the cold water supply.
1
PREFERRED WATER SUPPLY CONNECTION
Fig. 2A.
Cold
water
pipe
1 ⁄ 4 " tubing to Reverse Osmosis
inlet, step 2, in the Faucet Drain
Tubing and Water Supply Tubing section.
B. OPTIONAL INSTALLATION Where codes permit
NOTE: Codes in the state of Massachusetts require installation by a licensed plumber and do not
permit the use of the saddle valve. For installation, use plumbing code 248-CMR of the
Commonwealth of Massachusetts.
Turn off the cold water
1
supply and attach saddle
valve as shown in Fig. 2B.
DANGER: To protect yourself
from serious injury or fatal
shock, use a battery powered
hand drill only to make the
hole. DO NOT USE AN
ELECTRIC DRILL.
(using compression fitting)
1⁄4" compression fitting
Water supply valve
Insert
Ferrule
Close the water supply valve
2
by turning the handle
clockwise.
Fig. 2B.
OPTIONAL WATER SUPPLY CONNECTION (using saddle valve)
Nut (2)—not
required if
holes in
clamp are
threaded
Clamp Z
Complying with plumbing codes, install a
2
fitting on the cold water pipe to adapt 1 ⁄ 4 "
OD tubing. A typical connection is shown
in Fig. 2A (parts not included). Make sure a
water supply valve is used.
TYPICAL LOCATION
Pre-drill
1 ⁄ 4 " hole
Seal—make sure
the seal is in place
Clamp X
Valve
Handle
Insert
Ferrule
Use to connect the tubing, step 2, in the Faucet
Nut
Drain Tubing and Water Supply Tubing section.
Cold
water
Open the main water supply
3
valve and several house
faucets to purge air from the
system. Close faucets when
water runs smoothly.
11
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