Frequently Asked Questions

FM-094 FAQsRS-094 Water Heater Leak Alarm & Automatic Shut-Off

Does the RS-094 meet the new Safe Drinking Water Standard (effective 1/1/14)?

Yes, the RS-094 full port valves are certified to NSF/ANSI 61 Annex G and meet the new lead-free requirements of the Federal Safe Drinking Water standard.

Does the actuator box on the RS-094 need to be installed in a particular orientation?

No, the actuator box mounting was designed so the actuator box could be installed on the mounting pad in any orientation.

Can I add additional sensors to my RS-094 system?

Yes! The actuator box terminal block has two set of portals for sensor wiring and can accommodate multiple wires to each slot. Daisy chaining or electrical splicing in additional sensors to expand the area of leak detection is also allowable. At least 6 total sensors can easily be accommodated in a single system. Order additional wired sensors with part number RSA-100-008. (Please be sure to consult your local electrical codes.)

What kind of wire should I use for the relay output contact on the RS-094?

Standard alarm wire (22 AWG, 2 wire) is acceptable for this connection.

How long does it take the RS-094 valve to cycle?

The RS-094 actuator opens and closes the full port valve in approximately 45 seconds.

After an alarm, how do I reset my RS-094 unit to begin the flow of water again?

Confirm the sensor is dry and the press and release the Reset button to begin the flow of water again.

What happens to the RS-094 valve position when there is a power failure?

The RS-094 unit will remain in whatever position they were in prior to the power failure (open or closed).

If the FloodMaster unit detects a leak in a water heater and shuts off the cold water intake to the water heater, what will happen to the water inside the tank? Will it leak out or stay in the tank?

The water inside the tank may stay there (inside the tank) if a sufficient vacuum has been set up in the system. The worst-case is that the water inside the tank will leak out, but no more water will enter the tank since the FloodMaster valve is closed. The maximum amount of water that will leak out into the premises is, therefore, the maximum capacity of the tank itself. This is better, however, than a continuing flow of water from the intake cold water line through the malfunctioning water heater tank into the premises (in the absence of a FloodMaster valve), especially if the occupants of the premises are not on-site and water flows freely for an extended length of time.

Is there any restriction as to the energy source of the water heater unit when installing a FloodMaster RS-094 valve?

There are no such restrictions.

Does the valve body on the RS-094 need to be installed in a particular orientation?

No, you can install the valve in any orientation.

FM-094 FAQsClick here if you have questions on one of the legacy FM-094 products.

General Questions

What is the warranty on my FloodMaster unit?

FloodMaster LLC, the Seller, warrants its products to be free from defects in material and workmanship under normal use for a period of 3 years. The Seller's obligation under this warranty is solely and exclusively limited to the repair and replacement, FOB point of manufacture, the product or part thereof which the Seller's inspection discloses to be defective. Modification, misuse, attempted repair by others, improper installation, or operation shall render this warranty null and void. There are no other warranties expressed or implied whether of merchantability, fitness for a particular purpose or otherwise. The Seller shall in no event be liable for any property damage, personal injury, or any consequential damages, resulting directly or indirectly from the use or operation. Download PDF Click here to download our complete Product Warranty document (PDF).

Are insurance discounts available if I have a FloodMaster system installed?

In some cases, yes! Click here for more information on FloodMaster and insurance discounts.

Can I reuse the FloodMaster unit on another appliance when my existing one reaches its end of life?

Certainly! That's one of the design features of the FloodMaster unit.

Does the FloodMaster unit need any regular maintenance?

We recommend users exercise (press and release) the Reset, Silence, and Teach buttons annually to ensure proper operation and maintain clean electrical contacts. Users may also wish to periodically function test the FloodMaster unit. To do so, place the sensor on a damp paper towel. This will cause the alarm to sound and allow you to confirm valve closure. Once verified, dry off the sensor and reset the Alarm Box to open the valve and begin water flow again. Note: Early versions of the FloodMaster system do not have a Reset button. These units can be reset by disconnecting the electrical transformer from the wall outlet for approximately 5 seconds and plugging it back in.

Wireless systems self-monitor for battery life and will indicate low battery status by a flashing yellow light on the Sensor Puck and an audible alarm at the Alarm Box.

Where are your products made?

FloodMaster Leak Detection units are designed and manufactured in the USA. Our facility is located in Branford, CT.

Do your systems work in condominiums and apartments?

Yes, common-risk dwellings such as apartments and condos are an ideal application for FloodMaster Leak Detection and Shutoff Systems. A water leak knows no boundaries, especially when they occur on the second, third or fourth floor, where one person's problem can quickly engulf many other units.

What is the NEMA rating on the Valve Actuators?

The Total Water Main (RS-080) actuators are rated for NEMA 4X or higher. Please contact FloodMaster for information on other product offering actuators.

Can your product be used on other applications besides water?

Our leak detection sensors work for any conductive liquid. However, not all materials are compatible with the internal components of the valve bodies. Please contact FloodMaster to confirm the best product for your application.

What is the voltage the valve is operated at?

The voltage of the valve is 24 VAC.

What is the voltage of the wall transformer?

The voltage of the wall transformer is 120 VAC.

Is there voltage on the pucks sensor probes?

Yes, 12 VDC.

What is the maximum temperature rating for the wired sensor puck system?

The wired sensor puck system is rated for applications up to 60°C / 140°F.

My application is for deionized water (1 Meg ohm) – will your system respond?

Yes, FloodMaster systems will respond in 1 Meg ohm level deionized water. If your application is for a lower level of deionized water, please contact FloodMaster for assistance.

Is the sensor cable Plenum rated?

No, the sensor cable is not Plenum rated. If your application requires a fire-rated sensor cable, you can use our standard pucks and re-wire them with any Plenum-rated cable of your own.

How loud is the audible alarm?

The audible alarm is rated at 83 decibels.

Choosing the Right FloodMaster System

Which model should I purchase to fit my application?

Installation Valve Size Power Output Signal? Audible Alarm? Sensor Type Model No.
Water Mains – Full Home / Facility Protection 3/4", 1",
1-1/4", 1-1/2", 2"
120 VAC Yes Yes Wired RS-080
120 VAC with 12V Battery Backup Wireless RS-360
Washing Machines Dual-Port 3/4" 120 VAC Yes Yes Wired RS-090
Water Heaters, Water Tanks, etc. 1-2", 3/4", 1", 1-1/4" 120 VAC Yes Yes Wired RS-094
Sump Pumps, Clean Rooms, etc. No Valve 9V Battery No Yes Wired RS-095
120 VAC Yes Yes Wired RS-096
HVAC / Condensate Pans No Valve 120 VAC Yes Yes Wired (elevated 1/2") RS-097

How should I choose between a Wired and Wireless System?

Both the Wired and Wireless Systems operate in basically the same way. The general rule of thumb is, if your leak detection needs require sensing on multiple living levels (basement, first floor, second floor, etc.), then you would probably be better off using the wireless system. If you are looking to detect in a single location (one appliance, or one room), the wired option is probably a more cost effective choice. You can also always contact FloodMaster to discuss your application, we are committed to getting you the best solution!

Installation & System Configuration Options

How long does it take to install the FloodMaster valve?

If a FloodMaster valve is installed simultaneously with the replacement of a water heater or other new appliance, the installation time for the FloodMaster unit may take no longer than the time it would take to replace the water heater by itself. If a FloodMaster unit is being added on to an existing, installed appliance (as would be the case in a retrofit), then the installation time would take the same amount of time if you would install any shut-off valve. Click here for more installation information.

Does FloodMaster require a pan be used?

Pans are not required by FloodMaster, but local codes vary. Check you local plumbing code to ensure compliance.

Can I add additional sensor pucks to my system?

Yes you can. We recommend wired systems not exceed 6 pucks; wireless not more than 12. Contact FloodMaster or your local dealer for additional information.

How do I add additional sensor pucks to the system?

Each system comes with (1) wired sensor puck with a standard 8' cable length. Additional sensors and wire sensing rope configuration can be added to complete your leak detection needs. Additional sensor are easily wired to pins 6 & 7 or 8 & 9 on the receiver terminal block. Multiple sensors can be wired to either set of pins. Reference accessory sensors RSA-1XX-XXX.

What is the maximum cable length between the alarm box and wired sensor puck?

The standard sensor puck cable length is 8'. Longer cable lengths (25', 50' and 100') are also available from FloodMaster. Wire sensor rope is rated at a maximum of (10) 10' lengths, or 100', as well. Reference accessory sensors RSA-1XX-XXX.

Can I add additional cable to the sensor puck?

Yes – you can use 22 AWG 2 or 3 conductor cable to splice onto the existing cable.

Can I connect the wall transformer to a wall extension cord?

Yes. An commercially available power supply rated for 19 Watts / 120 Volts or higher will work.

How many valves can I attach to one alarm box?

Only one valve can be attached per alarm box.

Can the receiver be remotely located from the valve?

Yes, but only on the RS-080 models. Cable adder of up to 100' can be ordered from the factory to facilitate the remote location of the alarm box. Reference part number RSA-400-XXX.

Is there a backup battery for the system?

No, not at this time.

System Operation

After an alarm, how do I reset my unit to begin the flow of water again?

Our more recent designs have a Reset button on the face of the Receiver. Press and release the Reset button to begin the flow of water again. Some of our earlier models did not include the Reset button. If your unit does not have a Reset button, simply unplug the unit from the wall outlet for a few seconds and then plug it back in. This will signal the valve to open and water will begin to flow again.

How do I silence the audible alarm?

As long as the sensor puck remains in water or otherwise wet, the audible alarm will continue to sound. In order to silence the alarm, remove the sensor puck from the water and dry off the metal contacts on the underside. If you have a wireless unit, you can press the Silence button on the alarm box to silence the water alarm.

What happens when there is a power failure?

The RS-094 and RS-080 units will remain in whatever position they were in prior to the power failure (open or closed); the RS-090 Washing Machine units does require electricity to remain closed.

Can I manually control the operation of the valve?

The FM-080 Total Water Main Units provide for manual operation of the valve. The RS-094 Water Heater valve can be manually operated by removing the actuator and applying a pliers to the valve stem. The RS-090 Washing Machine unit does not provide for manual operation of the valve.

Can I remotely open and close the valve?


Can your system alert me remotely when it goes into alarm?

FloodMaster offers an Auto Dialer accessory kit that easily connects to our systems and will automatically dial up to 9 previously programmed telephone numbers when the unit goes into alarm (a leak is detected). Auto Dialer sold separately, reference P/N RSA-600-003.

Can you system be used to turn on/off another device, such as a pump?

Yes, all of our units (with the exception of the FM-095 Battery-Operated Alarm) come with an optional dry contact wire. This dry contact can be wired to an appropriate relay to control another device, such as a sump pump, appliance, etc. Click here for electrical wiring schematics for hard-wired or plug-in relays (PDF).

Wireless Systems

FM-180 FAQsClick here if you have questions on the legacy FM-180 wireless products.

Sensing Rope Accessory

How do I dry out the Sensing Rope?

The Sensing Rope is reusable, but it may require some amount of time to dry off thoroughly before it is re-deployed. To expedite the drying process, you can hold the wet section in between your hands and slap it a few times on a hard surface. The water will be released from the mesh. False triggers of the FloodMaster receiver shortly after the initial reset or leak event would be an indication that the rope is still wet.

Why is my Sensing Rope tripping when it's not wet?

In addition to requiring some time to dry out after a leak event, the Sensing Rope will also send a fault alert if the rope becomes kinked. If a section or sections of your Sensing Rope become kinked and cause false alerts, they should be replaced (P/N RSA-175-010).

Can I change the length of the lead wire on the Sensing Rope?

Yes – you can either shorten or lengthen the lead wire as your application requires. The standard 6' lead wire is provided with flying leads at one end that can be trimmed back to a shorter length if desired. Wire jacketing will have to be stripped back 1/4". If a longer length is desired, up to 100' of 22 AWG, 2-conductor wire can be spliced into the flying lead end, with the opposite end of the wire then connected to the FloodMaster Receiver terminal block (Pins 6 & 7 or 8 & 9). Note: Any combination of lead wire and/or sensing wire should not exceed 100'.

How many additional Sensing Rope lengths can be added to the base Accessory Kit?

The RSA-175-810 Kit comes standard with one 10' section of Sensing Rope. Up to 9 additional sections of rope can be added (P/N RSA-175-010). Note: Any combination of lead wire and/or sensing wire should not exceed 100'.

Auto Dialer Accessory

The Auto Dialer Kit comes with 8' of connection wire. Can I extend that length?

Yes – you can either replace the 8' section with any 22 AWG, 2-conductor wire, or splice in whatever additional length you desire.

Why is my Auto Dialer calling me when there is not a leak?

The Auto Dialer is designed as a general security system component and, as such, provides a tamper switch notification alarm. If you are receiving calls from the device that are not being triggered by the FloodMaster system, try this: Disable the tamper button in the back of the unit, or jump the TAMP switch pins on the front of the unit. (Refer to Installation Guide, Step 7).

Why won't the Auto Dialer accept my changes?

The Auto Dialer must be in the off/disarmed mode to program the unit. You can place the unit in this mode by keying in the passcode (default from factory is 1-2-3-4) and pressing the ESC key. Conversely, you can arm the system by keying in the passcode and pressing the ENTER key.

The Auto Dialer is plugged into the phone system, but it is not making calls.

The Auto Dialer only works with analog home telephone systems.

Why is there a delay between the time the FloodMaster system alarms and the Auto Dialer starts its dialing sequence?

The system comes with a built-in delay time, which is designed to allow time for a user to cancel the dialing sequence. This default time is set at 30 seconds, but it can be adjusted by the user to fit their own requirements (see Installation Guide – Set exit delay time). Conversely, the Auto Dialer requires that same default time to arm itself. So, on power up, users should wait the required time (30 seconds) before they begin interfacing with the system.

Can my Auto Dialer work with devices other than the FloodMaster?

Yes – the Auto Dialer is designed to accommodate many additional features and can also accept a second alarm input. Please refer to the Manufacturer's Owner's Manual for information and instructions beyond the FloodMaster unit connection and interface.

How do I record and play back the voice message?

Alarm 1 = Trigger 1.
Quick guide: Press 1-2-3-4 > RECORD > 1 > ENTER, record message now.
1. Key in the four digit user password code (factory default is 1-2-3-4).
2. Press RECORD.
3. Press 1 (to save as the message for alarm 1).
4. Press ENTER to start recording your 10 second message.
5. Press ENTER to stop the recording early, or wait for the 10 seconds to end.
6. To play back the message, press 1-2-3-4 > PLAY > 1 > ENTER.

How do I program phone numbers into the Auto Dialer?

You can enter a maximum of nine telephone numbers for the alarm. Each number can be a maximum of 32 digits. (If you are using this Auto Dialer on an office/work phone system, you may have to enter 9 before the number to get a line out.)

Quick guide: Press 1 2 3 4 > PROGRAM > 3 > ENTER > 1 > ENTER > Telephone # > ENTER
1. Key in the four digit user password code (factory default is 1-2-3-4).
2. Press PROGRAM > 3 > ENTER.
3. The number you press next will select the position in the sequence you want that telephone number to dial (1 = first number called, 2 = second number called, and so on).
4. Press ENTER and key in the first telephone number.
5. Press ENTER to exit the programming mode.
6. Repeat the process until you have entered all the numbers you wish the Auto Dialer to call once it has been activated (maximum 9 different numbers).

How do I delete phone numbers from the Auto Dialer?

Quick guide: Press 1 2 3 4 > PROGRAM > 3 > ENTER > N > ESC
1. Key in the four digit user password code (factory default 1-2-3-4).
2. Press PROGRAM > 3 > ENTER.
3. Press N (N = 1 for the first number called; 2 for the second number called; etc.).
4. Press ESC to exit the programming mode.

How do I designate telephone numbers to ALARM 1?

Quick guide: Press 1 2 3 4 > PROGRAM > 6 > ENTER > X > ENTER > N > ENTER
1. Key in the four digit user password code (factory default 1-2-3-4).
2. Press PROGRAM > 6 > ENTER.
3. Press X (X = 1 for alarm 1). Press ENTER.
4. Press N (N = 1 for first phone number; 2 for second phone number, etc.). Press ENTER.<
5. Repeat the process to designate any other numbers to the alarm.

How do I change my user password code (factory default is 1-2-3-4)?

Quick guide: Press 1 2 3 4 > PASSWORD > New Code > Confirm New Code
1. Key in the four digit user password code (factory default 1-2-3-4).
3. The LCD will change to n-p.
4. Key in your new four digit user password code.
5. The LCD will change to c-p.
6. Key in your new four digit user password code again. 7. The LCD will change to acc.

How do I program the Auto Dialer to give an audible alarm as well as send a voice message (factory default is alarm ON)?

Quick guide: Press 1 2 3 4 > PROGRAM > 1 > ENTER > N > ENTER
1. Key in the four digit user password code (factory default 1-2-3-4).
2. Press PROGRAM > 1 > ENTER
3. Press N (N = 0 for without audible alarm, 1 for with audible alarm). Press ENTER.

How do I set the time the alarm will sound upon activation (default time is 3 minutes)?

Quick guide: Press 1 2 3 4 > PROGRAM > 2 > ENTER > Time > ENTER
1. Key in the four digit user password code (factory default 1-2-3-4).
2. Press PROGRAM > 2 > ENTER
3. Press Time (Time = 1 for one minute, 2 for 2 minutes, etc. up to 99 minutes). Press ENTER.

How do I set Entry/Exit Delay times (default both delay set at 30 seconds)?

The entry/exit times are the times the Auto Dialer gives you to enter/exit the area covered by the system before it arms/alarms. These are pre-set to 30 seconds. You can also change the timing to instant or 60 seconds.

Entry Delay:
Quick guide: Press 1 2 3 4 > PROGRAM > 4 > ENTER > N > ENTER
1. Key in the four digit user password code (factory default 1-2-3-4).
2. Press PROGRAM > 4 > ENTER
3. Press N (N = 0 for instant; 3 for 30 seconds; 6 for 60 seconds). Press ENTER.

Exit Delay:
Quick guide: Press 1 2 3 4 > PROGRAM > 5 > ENTER > N > ENTER
1. Key in the four digit user password code (factory default 1-2-3-4).
2. Press PROGRAM > 5 > ENTER
3. Press N (N = 0 for instant; 3 for 30 seconds; 6 for 60 seconds; 9 for 90 seconds). Press ENTER.

How do I set an Entry/Exit delay sound (factory setting Entry/Exit delay with sound)?

Quick guide: Press 1 2 3 4 > PROGRAM > 7 > ENTER > N > ENTER
1. Key in the four digit user password code (factory default 1-2-3-4).
2. Press PROGRAM > 7 > ENTER
3. Press N (N = 0 without sound; 1 with sound). Press ENTER.

How do I arm the Alarm System/Turn the Dialer ON?

Quick guide: Press 1 2 3 4 > ENTER
1. Check that the voice message and at least one phone number has been programmed into the Auto Dialer.
2. Press 1 2 3 4 > ENTER. The Auto Dialer will show 'ON' on the display.
3. The alarms will become active after the delay time you have set has expired.

How do I disarm the Alarm System/Turn Dialer OFF?

Quick guide: Press 1 2 3 4 > ESC
To disarm the Alarm System or to stop the Dialer from dialing out after either the tamper switch (if connected and active) or an alarm input has been activated, key in the four digit user password code followed by ESC. The Auto Dialer will revert to the 'OFF' mode and must be re-set to the 'ON' mode as above.

How do I stop the Dialer from dialing the telephone numbers in sequence?

Quick guide: Answer the phone and press # or * to stop dialing sequence.
When the Auto Dialer starts dialing, it will dial the first telephone number and repeat the pre-recorded voice message for 1 minute. If there is no response from the phone, then it will hang up and dial the next number until all the programmed numbers for that alarm are dialed. It will repeat this dial sequence three times and display 'NO ANSWER' if there is no response from any of the phone numbers. To stop this dial sequence, press the * key on the telephone keypad that is receiving the call. At that time, the Auto Dialer will stop its dialing sequence and the alarm (if programmed) will stop. If the local alarm has been programmed as active, then pressing the # key will stop the dialing sequence, but the alarm will continue to sound until timed out. In both cases, the Auto Dialer will remain ON, waiting for any further alarm.

How do I change the back-up battery?

Important: It is recommended to change the back-up battery at least once a year, even if the battery is not low.

1. First make sure that the Auto Dialer is OFF. Then release it from the wall.
2. Remove the battery door and take out the old battery. Insert new 9V battery and make sure it is in the correct polarity.
3. Fit the battery door and mount the Auto Dialer back onto the wall.

How do I reset the Auto Dialer?

Inside the battery compartment: Remove the power supply and the Auto Dialer from the wall. Remove the 9V battery. Inside the battery compartment is a switch. Move it to the ERASE position. Connect the power to the Auto Dialer then press DELETE twice. There will be 2 short beeps from the Auto Dialer. Switch the power off again. Place switch back to NORMAL. Replace the 9V battery and place back onto the wall. Power the Auto Dialer back up. The Auto Dialer will then return to factory default setting.