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Once you have prepared the plumbing up to the point of
the bypass following the above instructions, you can
connect your plumbing lines to the bypass valve. We
highly recommend that you remove the bypass before
making these connections as you may inadvertently
apply too much pressure on the valve while securing the
adapters, causing damage to the valve housing.
Once all plumbing to the bypass has been completed,
you can connect the bypass to the control valve. Push
the bypass onto the back of the valve and secure it using
the two stainless steel clips with screws located on the
back of the control valve. Do not overtighten - it is
normal for some “play” to exist when the bypass valve
is properly seated. This allows for minor misalignment
of the piping connections and relieves stress on the valve.
Place the bypass in the “bypass” position.
Step 6. – Drain Line Installation
During the backwash and regeneration cycle, your Iron Rival will send captured contaminants out
the drain port. This port needs to be connected to a suitable household drain ideally within 20 feet
of your treatment tank. A nearby floor drain, sump pump, or a standpipe for a washing machine is
an excellent option. We recommend that the drain line be connected to a minimum 1½" drain
standpipe or floor drain located ideally below the top of the head of your Iron Rival. You will need
to purchase suitable pipe or tubing for the drain line. The minimum diameter of the drain line for
residential applications should be ¾ inch. Commercial drain lines should be the same size as the
drain line flow control. While polyethylene tubing or copper pipe is suitable, we recommend rigid
PVC or CPVC pipe for the drain line. If you are using flexible tubing, be sure that there are no
“kinks” or “crimps” in the tubing after installation, that may cause a flow restriction. If used,
overhead drain lines are not to exceed a height of 5 feet above the control valve and should be not
more than 50 feet in length. Should an overhead drain line be utilized, it is recommended that the
drain line be increased in size (diameter), and that it not be fastened flush to the bottom of a floor
joist, to minimize noise transfer to the upstairs of a home during regeneration.
Locate the drain port on the back of your valve controller.
The drain line flow control with threaded fitting is
pre-attached to the control valve. To remove the drain line
flow control, pull up on the retaining clip to remove it and
then grasp the drain line flow control and pull outward.
Using an appropriate fitting, connect the drain line flow
control to your drain line tubing/pipe. Re-insert the drain
line flow control into the control valve and securely lock
into place with the retaining clip. Ensure that the drain line
is secured along its route to the drain. The drain line will be
under pressure when the regeneration / backwash cycle is
