WCP Leak Controller LCS25 Operating instructions
Thank you for purchasing your Leak Controller™, a Water Controller Products device. Your Leak
Controller™ has been designed so it can be easily installed, operated, and maintained. Please read the
following instructions carefully, as we want you to enjoy all of the benefits of your product.
Installation and Operation Guide
For Models LCS25, LCS38, LCP25, LCP38
Features Benefits
USA manufactured NSF™ approved ball valve with
patent pending one-way spring release Proven quality and reliability
Audio alarm and LED indicator See and hear the controller functioning
LeakLogic™ RISC based software Low battery power management, controller
monitoring, water leak detection sensitivity
Quick-Connect plumbing connections Fast installation without the need for a plumber for
tubing connections
Sensor with in-series connection capability Ability to connect as many sensors as needed to a
single controller
Complete testing capability One button test/silence/reset and direct sensor testing
Multiple uses Connect to many types of appliances and fixtures
Detachable Battery Holder Ease in changing batteries in difficult to access
locations
Separate 2 screw mounting plate Mounts in difficult places in seconds without a
template
Absorbent Sensor Mat Increased moisture sensitivity
Water Controller Products Inc. (WCP) has carefully tested and inspected the Leak
Controller™ before shipment, and hereby warrants our products to be free of defects in
material and workmanship for a period of 1 year from the date of the original purchase. You
should replace your controller every 5 years since it is in constant contact with your water
supply.
During the warranty period WCP shall, at its sole and absolute discretion, either repair or
replace free of charge any of our products that prove to be defective on inspection by WCP or
its authorized service representative. This warranty does not cover claims for damage due to
abuse, neglect, alteration, or attempted repair by unauthorized personnel, and is limited to
failures arising during normal use that are due to defects in material or workmanship in the
product.
ANY IMPLIED WARRANTIES, INCLUDING IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR USE AS SETFORTH IN
THESE INSTRUCTIONS, ARE LIMITED IN DURATION TO THE LENGTH OF THIS
LIMITED WARRANTY. USE OF THIS PRODUCT IS NOT A REPLACEMENT FOR
YOUR INSURANCE POLICY. IN NO EVENT WILL WCP BE LIABLE FOR
INCIDENTAL, CONSEQUENTIAL OR OTHER DAMAGES RESULTING FROM THE
BREACH OF ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING, AMONG
OTHER THINGS, DAMAGE TO PROPERTY, DAMAGE BASED ON INCONVENIENCE
OR ON LOSS OF THE USE OF THE PRODUCT, AND, TO THE EXTENT PERMITTED
BY LAW, DAMAGES FOR PERSONAL INJURY. THE LIABILITY OF WCP SHALL BE
LIMITED TO REPLACEMENT OF THE DEFECTIVE PRODUCT.
This warranty only applies to products sold and used in North America. For warranty
information in all other countries, please refer to your local distributor.
• Use of the Leak Controller™ is restricted to water supply lines in a home, office or
recreational vehicle.
• Do not allow small children to play with the controller, their fingers could get stuck or
injured inside of the controller valve. Only insert a pipe, tube or a fitting of the proper
size into the controller valve.
• Operate the unit only with “AA” size alkaline type batteries.
• Never open the cover to the controller, this will void the warranty and damage the
product.
• The sensors can not having anything placed on top of them.
• Do not connect the controller to a hot water line; connect only to the cold water supply.
Open the battery door and remove the battery holder. Take this moment to record the
installation date on the inside of the battery door, and on the
space below:
Original Battery Installation Date:
Additional Battery Change Dates:
Gently disconnect the battery holder from the snap connector.
Insert the 4 batteries into the battery holder slots, matching the
positive (+) and negative (-) terminals. Gently reconnect the
snap connector to the battery holder and insert the battery
holder into the battery compartment and close the battery door.
* You should see the blue LED light flash twice, hear the
speaker chirp twice, and then see the LED light flash once
every 5 seconds.
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Turn the source water you will be connecting to off. Preferably, the controller will be installed
as far upstream (closest to where the water is access from the main plumbing) as possible from
the device you will be protecting, such as under the kitchen sink or behind an appliance. If you
are going to cut an existing plumbing line, allow for an extra ¾” of tubing on each side of the
controller valve as the valve requires ¾” of pipe or tubing to properly seal.
There are 2 ways to connect the controller to the water line that you want to protect depending
on the type and material of the tubing:
a) Plastic Tubing. Measure the length of tubing needed, and then add
at least one extra foot of tubing for both the incoming and outgoing
lines; this allows you to easily reach the controller. Cut the tubing
with a tube cutter, or very sharp razorblade. It is very important that
the cut is clean and straight through to ensure a good connection into
the quick-connect fittings.
b) Copper Tubing. Measure the length of tubing needed to easily reach the controller, you
may want to use some extra tubing in the event that you have to service the appliance or
controller, if this is the case, loop the extra tubing taking
care that the tubing enters the valve correctly. Use a
simple circular tube cutter (can be purchased from
hardware store) to cut through the tubing in a straight cut.
It is important that the cut is clean and straight through to
ensure a good connection into the quick-connect fittings.
c) Braided tubing. Visit www.leakcontroller.com
Avoid sharp changes in direction when routing the tubing. It is very important to have the
tubing inserted parallel to the valve, do not allow the tubing to exert any upward or downward
force on the valve connection.
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Open the valve by turning the front Knob (with the finger-fitting wave grips) ¼ turn clockwise
to the green mark on the cover. Now the controller is open and
loaded. Press the front button and the alarm will sound to activate
the controllers’ test feature. The controller will beep and flash
four times and close the knob back to the red closed position.
Next, the alarm will sound, the LED light will flash twice, and the
controller circuitry will automatically reset itself. Again, open the
valve by turning the front knob ¼ turn clockwise to the green
mark on the cover.
Now the controller is ready to be connected to your water supply
and the controller is in the ready and armed state. The LED light
should be flashing once every 5 seconds, the speaker is off, and
the knob is in the green-armed position.
Package contents:
Main Leak Controller™ controller module with attached 4 1/2-foot sensor cable
4 “AA” size alkaline batteries
Metal Wall Mount Plate with 2 #8 mounting screws
1 sensor mat (paper towels OK for replacement)
* Additional sensors and cable lengths can be ordered
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Quick Reference
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The Leak Controller is beeping, how do I shut it off?
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The Leak Controller has activated due to one of the following:
1. water touching the sensor (leak or spill)
2. low battery
3. no testing for 2 years and is in maintenance mode
Check for leaks and fix if necessary. Dry sensor(s). Change the
batteries if in doubt. Hold the front button down until the blue
LED light goes solid (stops blinking) and release. Turn the knob
clockwise until locked in position.
We have the following matrix to help you quickly identify the most common conditions that exist
with your Leak Controller™. In the event that you are still having problems with your product
after consulting this guide, please contact us so we can be of immediate assistance to you.
∗ Please note that whenever the valve closes to the red position (except when testing), you
must do the following:
1) Change the batteries as described in step #1.
2) Check and test the sensor and controller
3) Look for leaks, it is possible that you had a leak and it has dried
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The valve in the controller is a ball type with two connection points that have quick-connect
fittings. The valve is not directionally sensitive so you can insert the incoming water tube and
the outgoing tube on either side for your convenience.
Follow the diagrams below for correct insertion, locking, and removal procedures. You may
find it easier to insert the tubing into the controller by removing the controller from the
mounting plate, if you do, you must remount the controller to the mounting plate when you are
done.
Once you have correctly inserted the tubing into the controller valve, you can turn your water
source back on. There should be no leaks at either side of the controller valve, at the water
source connection, or at the connection to the appliance. Check for leaks immediately at all
locations.
Generally, if there is a leak it will occur immediately, if this occurs or there is an moisture
around the valve connections, then close the valve on the water source and repeat steps 3 & 5
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There are two ways to test the system:
1. Testing at the Controller (see Step 2).
2. Testing at the Sensor. To test that your
sensor and controller are working properly,
insert a coin or screwdriver into the slot on the
sensor. This replicates a leak condition, and
the controller should close the valve to the red
position, sound the alarm, and flash the LED.
To reset the system, hold the button down
until the LED light stays on, then release the
button, and reset is confirmed by a single
beep. Return the valve to the green position.
The controller should be tested every month, at both the controller and sensor(s) to confirm
the system operation and to exercise the valve.
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(a) The LED may not be working due to the batteries dying. Any alarm mode the controller will flash and
beep until the system is reset or until the battery dies.
(b) On LEAK condition, the controller will continually flash and beep 4 times together for 12 minutes or
until it is silenced/reset by holding the Button when the LED is solid on. After 12 minutes, the 4 times
flashing will continue and beeping will be reduced to 4 beeps every 2 minutes to save the battery.
ALWAYS CHECK THE SENSOR(S)
Condition Knob
Pointing LED Light Speaker Sensor Battery Recommended Action
Normal/
Armed
Green Flashing
once every
5 seconds
Off Dry Good TEST and examine sensor(s)
when needed (at least monthly)
TEST (15
Seconds to
complete)
Green
then Red Flashing
4 Flashes On
4 Beeps
Dry Good Turn the knob to green, the
controller will automatically
reset itself
LEAK Red Flashing
(b) On (b)
(speaker
may just
chirp)
Wet or
Dry Good Examine the Sensor(s),Fix the
leak, dry sensor(s), change mat,
hold button until LED light stays
solid to stop alarm, turn knob to
green, change batteries, then
Test (Step #2)
Low Battery
Maintenance
Mode #1
Red Flashing or
Off (a)
2 Flashes
On or
Off (a)
2 Beeps
Dry Bad Examine the Sensor(s), hold
button until LED light stays
solid to stop alarm, turn knob to
green, change batteries, then
Test (Step #2)
2 year Shut-
Off
Maintenance
Mode #2
Red Flashing or
Off (a)
2 Flashes
On or
Off (a)
2 Beeps
Dry
Good
or Bad Examine the Sensor(s), hold
button until LED light stays
solid to stop alarm, turn knob to
green, change batteries, then
Test (Step #2)
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Automatic Operation
Other than the recommended maintenance outlined above, your Leak Controller™ will operate
automatically. In the event that the sensors detect a leak, the controller will close the valve to
the red position, and sound an alarm. Please consult either the operations / troubleshooting
guide for the recommended course of action in the event of a leak, or see step #7.
Low Battery and Auto Shut-Off in Two Years
An additional feature the controller has is a maintenance mode. This can be activated in one of
two ways. First, if the circuitry detects a low power response from the batteries. In this case the
system will shut down. and close the valve.
Secondly, the system is programmed to automatically shut itself down every two years. This
has been incorporated into the controller to cycle the valve in case you live in a very hard
water environment to exercise the valve. In the event that either of these events takes place,
please consult the operations/ troubleshooting guide for the recommended course of action.
Manual Valve Close
The controller’s valve can also be shut manually. To do this, push the manual close button
located on the upper right side of the controller. This will release the latching mechanism and
close the valve to the red position. To rearm the controller and open the valve, return the Knob
to the green position.
Fold and place these instructions behind the mounted controller for convenient reference.
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Internal Ball Valve ¼ turn with safety collar Power output: 6V
0-150 p.s.i. Pressure rating Battery Life: 2 years (normal condition)
33° - 140°F (1°-60°C) Temperature rating Weight: .90 lbs with batteries
Dual O-ring quick connect Mur-lok™ Fitting Size: 6.75” (h) x 3.25” (w) x 2.5” (d)
Power: 4 x “AA” Alkaline Batteries
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This is a very important part of the installation. The sensor is the heart of the controller, and if
water doesn’t touch the sensor it will not activate. Also, it is extremely important that the
metal side of the sensor always remains facing down after the installation.
Once you have confirmed the sensor location, place the sensor mat in that area and then place
the sensor on top of the mat. The sensor will work without the mat. The sensor mat is
provided only to increase the area where water is drawn to the sensor. In those areas where it
is not practical to lay the mat down, just place the sensor on a clean, flat surface.
Ordinary paper towels can be used as
replacements for the sensor mat.
Every floor or seemingly flat surface has
a slope to it, and as every location is
different, care needs to be made at the
placement of the sensor.
To confirm the path of the water in the event of a leak, take a plate or flat pie tin and place it
near where the sensor will be placed. Pour some water onto the plate and check the direction
of the flow. Adjust the sensor’s position accordingly to this flow path to make sure in the
event of the leak the water flows towards the sensor.
Additional sensors may be added to your system and may be purchased through our website.
To connect a second sensor, push the connectors at the end of the second sensor cable onto the
metal connectors located under the first sensor. Route the separate wires around the bottom
part of the sensor and out the other end of the sensor.
To confirm that the second sensor is working properly, insert a coin or screwdriver into the
sensor slots, this should replicate a leak and activate the alarm feature on the controller. To
reset the controller, see Step 7.
* Please note that for the sensors to work, the leak does not have to enter the slots on top of
the sensors. This may happen, but the sensors also detect surface moisture via the sensor
probes on the bottom of the sensor.
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Controller Maintenance
Replace all four batteries with “AA” Alkaline type batteries:
a) Annually (every year)
b) If the alarm has been sounding for a undetermined length of time
c) If the low battery alarm chip is sounding (2 flash and 2 beep)
d) If the valve does not close during test
Since the controller is in constant contact with your water supply, the maximum life
expectancy of the controller is five years. Although you may achieve longer use of the
controller depending on the quality of your water source, we recommend that do not exceed
this time period.
Sensor Maintenance
Every month when testing the operation of the controller, examine each sensor to confirm that
it is laying metal side down on the sensor mat, and wipe the bottom of the sensor metal strips
with a clean dry cloth.
Locate a clean, flat wall surface that is close and parallel to, the water source to which you will
be connecting. Make sure there is at least a 3” clearance from
the top of the controller to leave room to change the batteries in
the future. Find a wall stud (if possible); align the mounting
plate on the wall with the single tab arm pointing up, and the
tabs of the plate facing outwards away from the wall.
Drill a hole using the mounting plate as a guide, and drive the
two #8 screws into the mounting plates holes and into the wall.
Use wall anchors or toggle bolts if the wall is hollow. Attach
the top tab receptacle on the controller to the top tab on the
mounting plate, and then insert the two bottom receptacles on
the controller to the two bottom tabs on the mounting plate and
pull down.
• The controller should be flush against the wall, resist
movement, and be able to be connected to your piping.
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