Smarthome SELECT Electronic Water Shutoff Valve, 3/4-inch, 12V DC
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Smarthome SELECT Electronic Water Shutoff Valve, 3/4-inch, 12V DC

Prevent Costly Damage from a Water Leak or Pipe Burst
  • Electric motor offers powered on/off (open/close) control of water flow to your home
  • 3/4-inch, full port ball valve offers maximum flow for 3/4-inch plumbing
  • Solid stainless steel, IP67 construction ideal for indoor or outdoor installation
  • Rapid 5 second response to go from open to close
  • 3/4-inch female NPT (National Pipe Thread) taper connections on the valve
  • Ideal for integration with security and home automation systems

Item #: 70275 IN STOCK - SHIPS TODAY


List Price: $149.99

Your Savings: $50.00

REWARDS: 99 points
  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • Consider this, you are at work, on vacation or anywhere other than your home and the water pipe in your kitchen bursts or the valve under your sink fails and starts leaking everywhere....what are you going to be able to do? Nothing! You will come home and find your cabinets, wood flooring and carpet damaged, not to mention what happens to your drywall when it gets wet. The expensive removal and repairs will run into the thousands of dollars, and don't forget about the time involved to fix everything. With a Smarthome SELECT Electronic Water Shutoff Valve you can change all of that.

    The Water Shutoff Valve is designed residential and light commercial use, primarily for integration with a home security system such as Elk or a home automation systems such as Insteon. As an example, you can combine the Water Shutoff Valve with a Power Supply, Insteon I/O Linc Low Voltage / Contact Closure Interface and a Insteon Water Leak Sensor. When the leak sensor detects water, it can trigger the I/O Linc to automatically activate and instantly close the valve to prevent any further water leakage and damage. By adding multiple sensors, you can monitor leaks throughout your home and immediately shut off the main water supply should water be detected.

    If you have a vacation home or property where you might want to remotely turn the main water supply on and off, add an Insteon Hub to the scenario as described above and you can remotely control the valve from your smartphone or tablet via the Insteon for Hub app.

    Note Regarding Lead-Free Certification for use in Potable Water Applications

    There is no mandatory federal requirement for product testing or third-party certification under the Safe Drinking Water Act; however, some entities may require certification. Many states have laws pertaining to the percentage of lead content detected in water passing over a wetted surface for products used in potable water applications. California is one of the entities, as stated above, that is currently the only state that has a Bill requiring certification. We are currently working on obtaining a certification to satisfy this requirement. It should be noted however, that this product is made of stainless steel (not lead), and the manufacturing facility has conducted their own tests which achieved a successful result, falling well below the California safety requirements.

    There are numerous points of potential damage in every home - sinks, toilets, bathtubs, showers, dishwasher, washing machine, water heater and toilets. With older pipes, weakened connections, valve failures, earthquakes, and many other causes, a minor leak can quickly turn into a big problem. Leaks don't just damage the things you can see, they can result in mold buildup behind walls and can even do damage to structural elements of your home, causing it to deteriorate faster, collapse, and possibly cause injuries to its occupants.

    Use the Smarthome SELECT Electronic Water Shutoff Valve as part of your whole home automation and security system to maintain a safe, leak-free environment.

    If you have a 1-inch main water supply pipe feeding your home, Smarthome also offers a 1-inch, 12V DC Electronic Water Shutoff Valve.

    * Note: This device does require a separate power source and a connection to a low voltage relay interface, as described above, for operation - these items are all sold separately. The Insteon I/O Linc transmits and receives signals via existing powerlines, so if you don't have any Dual-Band Insteon devices in place, at least one will be required on same electrical circuit as the I/O Linc for Insteon communication to take place.

  • General
    Manufacturer Smarthome
    Brand SELECT
    Manufacturer Product No. 70275
    UPC 813922016673
    Valve Size 3/4 Inch, Full Bore
    Control On/Off
    Max Torque 2Nm
    Angle of Rotation 90°
    Direction of Rotation Double Acting
    Running Time About 5s
    Position Indication Visual Indicator
    Manual Override Yes
    Max Pressure 10 bars (approximately 145psi)
    Humidity Less than 85% (non-condensing)
    Ambient Environment -20° C - 45° C
    Enclosure IP67
    Housing Material ABS (PA-777D)
    Quality Standard ISO 9001
    Connection Cable Connection cable 800mm
    Power Supply Range Connection cable 800mm
    Connection Cable AC/DC11-15V
    Working Current Approximately 551°0 mA (DC12V) - will vary slightly based on valve size
    Static Current 351°0 mA
    Max Power 4W
    Smarthome Warranty 2 Years
  • Reviews 1 - 10 of 13

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    2. 2
    Thread problem - UPDATE Review by Dave
    Thread problem - UPDATE

    Similarly to a posting by Eric.

    I solved the problem by using the same thread damaged nipples (damaged by the non-compliant NPT tapping by the manufacturer of the valve) but I used a permanent thread locker. I used a "RED" thread locker (Permatex or Locktite are just 2 possibilities) which is listed as permanent. You can remove the parts but only after heating the parts to over 500 F. This permanently fixes the leaking and damage caused by the non-compliant valve threads.

    Above and below the nipples I used copper unions so that I can removed the entire assemble without cutting any copper pipe. Testing the water sensors has the valve closing when water is detected and opening when the area (under the sensors) is dry.

    Posted on 11/9/2017

    Thread problem Review by Dave
    Thread problem

    Plumber suggested using brass nipple into the shutoff. Applied several layers of thicker pipe tape. Screwing in the nipple it felt like there was scraping is it was tightened. When pressured up it leaks. Removing the nipple I found the first 4 rows of threads on the nipple were completely flattened and some of the threads were converted to wire shards. Like a previous post it seems the threads are NOT compliant with NPT taper specs.

    It's like the factory only ran the tap partially in. PLEASE FIX THIS PROBLEM!!!!!!!

    Posted on 11/6/2017

    Review of 70275 Water Shutoff Valve Review by Eric
    Review of 70275 Water Shutoff Valve

    Purchased this household water shutoff valve in November 2016. Tested it's operation without installing it in 2016. However, I didn't get around to installing it until now until I figured out how to do the plumbing with minimal disruption. I decided to use push-on adapters for the 3/4" copper tubing supply line. However I found the female 3/4" inlet threads of the stainless steel valve body gouged fine threads of metal from the copper male 3/4" NPT adapters. I suspect the inlet was a little small - NPT threading is tapered - or the starting tread was damaged. In any event, I was able to screw the adapter in properly but I was forced to use a TFE based thread compound to get good thread sealing. Otherwise, the valve seems to be leak free and working well.

    For other users, chasing the valve body threads a bit with a hardened 3/4" -14 NPT tap before installing threaded adapters would be a good idea. Also, Smarthome should contact manufacturer to ensure that 3/4" NPT female threading on this valve meets specs.

    Posted on 10/7/2017

    Wiring Diagram Polarity is Reversed Review by Petutski
    Wiring Diagram Polarity is Reversed

    So far this valve works great. Would be five stars if a) it came with installation instructions and b) if the wiring diagram shown on this web page was not REVERSED! The BLACK wire is NEGATIVE from the power supply and the RED (to close) or GREEN (to open) is switched POSITIVE.

    Posted on 9/26/2016

    Best Valve So Far!! Review by David
    Best Valve So Far!!

    I've been looking for a low cost automated valve for some time. My use is switching water flow between different areas of my aquaponics system. I am controlling 3 of these 12VDC valves with 120VAC C-frame relays ($4 each) and it works AWESOME! The ball valve is key as they operate regardless of pressure. Stainless steel body is nice since these are outdoor use. I hope the plastic enclosure and electronics hold up over time. So far I'm very impressed. The closest similar valve (120VAC solenoid, no pressure differential required) in stainless is well over $300 at McMaster with most over $500 for 3/4". Some brass valves with solenoid operated diaphragm start in the lower $100s range at McMaster.

    Posted on 9/15/2016

    Follow Up- Worked Great When Needed. Review by Rich N.
    Follow Up- Worked Great When Needed.

    Woke up at around 12:30 AM one night to get a drink of water. When I turned on the faucet, no water came out. Went down to my finished lower living space and discovered that the Select Valve was in the shutoff position. Looked around a little more and (low and behold) discovered that my Hot Water Heater Tank was leaking a lot of water!
    This product saved us a lot of damage and mess!

    Posted on 8/27/2016

    Addendum: Game changer for irrigation in automated homes Review by Alex Waverley
    Addendum: Game changer for irrigation in automated homes

    I use one of these valves as a water main shut-off triggered by Fibaro Flood Sensors located at my water heater, behind my refrigerator, and next to my sump pump. I three more to shut off my outdoor spigots when the temperature drops below freezing.

    I have recently completed and irrigation system for our garden, and I used one of these valves, controlled by the automation system, in lieu of the standard irrigation valves and controllers. The results were excellent. One big advantage is that these units use ball valves, which eliminates the hammering that can occur with irrigation valves. Another is that I can use weather data to override the run cycle rather than a hard wired rain/freeze sensor. Lastly, since these are ball valves, they are not dependant upon line pressure. This means that in a single zone system the valve can be placed anywhere in the line (before or after the sediment filter and backflow valve). Way Cool.

    Posted on 4/18/2016

    Water Shutoff Valve Tips Review by Rich N.
    Water Shutoff Valve Tips

    This is a good product, but you need to know a couple of things.
    1) You need to carefully read the Note on the bottom of the Detail Page about a Dual Band device because a Range Extender #2992-222 or other RF device is needed in addition to the I/O Link and Power Supply.
    2) The wiring diagram showing the green and red wires from the Shutoff Valve is wrong! You must reverse the green and red by connecting the red to N/C and the green to N/O for the Water Leak Sensor to properly function.

    After I ordered the additional RF Range Extender device and switched the wiring, it works good so far.

    Posted on 3/5/2016

    Excellent! Review by Alex Waverley

    I am controlling two of these with a 16amp 8-channel intelligent relay module (ETH008) powered by a 10 amp power supply with battery back-up through a VeraLite unit and the results are excellent. First class units.

    I am adding two more.

    Posted on 7/14/2015

    Review of 70275 Review by BLAINE
    Review of 70275

    Appears to be a quality device... time will tell. Actuation is reasonably fast. There's no manual provided. Smarthome has everything on their site in terms of wiring it up, but it took me a few minutes to realize the manual override knob needs to be lifted up to engage it and allow you to manually rotate the ball valve.

    Posted on 12/20/2014

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