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16,000-Watt Air Cooled Automatic Standby Generator with 200 Amp SE Rated Transfer Switch

  • Generac for reliable and affordable home back up power solutions.
  • The Generac OHVI engine is purpose-built for extended run times
  • True Power Technology delivers best-in class power quality
  • View More Details
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Product Details

Generac 16,000-Watt Guardian Series provides the automatic backup power you need to protect your home and family during a power outage. Connected to your existing LP or natural gas fuel supply, it kicks in within seconds of determining power loss automatically and runs for as long as necessary until utility power returns. Control your power. Control your life.
  • System includes: 20,000-Watt generator, 200 Amp transfer switch, evolution controller and composite mounting pad; mobile link and 26R battery purchased separately
  • Your guardian series generator might have to get you through days or weeks without utility power, Generac OHVI engine, specifically designed for generator use, provides the reliability to power through the most severe outages
  • Evolution controller is the next generation of intuitive controllers featuring a multilingual, 2-line LCD text display with color-coded, backlit buttons
  • Third-party certified to NFPA standards to be installed as close as 18 in. from the home's exterior wall, provided it is located away from doors, windows and fresh-air intakes and unless otherwise directed by local codes
  • When combined with a pre-wired transfer switch or smart switch, re-engineered connection points and composite mounting pad, the guardian series 16,000-Watt generator is easy to install
  • In areas with low natural gas pressure, the guardian series 16,000-Watt generators can operate on natural gas pressures of only 3.5 in. of water column
  • Our durable powder-coat finish helps make the sturdy, galvanneal steel enclosure perfect for all-weather conditions, it's also able to withstand 150 MPH winds, optional aluminum available, recommended for salt-air locations
  • Switch between natural gas and LP fuel in the field in a few seconds, without the need for any tools
  • True power technology provides best in class power quality with less than 5% total harmonic distortion means clean, smooth operation of your sensitive electronics and appliances
  • Thanks to quiet-test, your guardian series home standby generator runs its weekly self-test at a lower RPM for only five minutes, its quieter than other brands and consumes less fuel, choose your schedule weekly, bi-weekly or monthly
  • Take advantage of Generac mobile link cellular remote monitoring system and check on your generators status using your computer, tablet or smartphone, even when you are away, sold separately
  • Power outages don't always occur during normal working hours, that's why Generac's customer care call center right here in wisconsin provides support any time of day or night, all year long, Generac is standing by 24/7, every minute of every day, to answer your questions
  • 5-years limited warranty
  • Download the "Warranty" document from the info and guide section of this web page; then the follow the instructions to claim your FREE 10 year extended warranty!
  • Return Policy
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Specifications

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Questions & Answers

64Questions
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Q:What is the cost of this generator. Can you ship outside the US. Can the generator be shipped to your Home Depot
by|Sep 21, 2017
1 Answer
Answer This Question

A:  This unit is no longer available, we do not ship products to locations outside the US continental 48 states. Mike

by|May 4, 2023
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Q:Off-grid house with propane
by|Sep 21, 2016
1 Answer
Answer This Question

A:  Generac's Guardian Series automatic standby generators are not manufactured for use in off-grid configurations. If you are interested in a product that is applicable for use in environments in which utility power is not available, we would recommend considering our EcoGen automatic standby generators. To learn more about these particular products, contact us directly at 888-GENERAC (436-3722).

by|May 4, 2023
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    Q:what size propane tank is recommended for this size tank
    by|Sep 15, 2016
    1 Answer
    Answer This Question

    A:  Generac's 16kW automatic standby generator requires the use of a propane tank no smaller than 250 gallons in size.

    by|May 4, 2023
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      Q:how do i no what size generator i need
      by|Sep 8, 2016
      1 Answer
      Answer This Question

      A:  The best way to determine the ideal generator for your backup power needs is to work directly with a certified electrician in your local area. For help locating a certified party near you, contact us directly at 888-GENERAC (436-3722).

      by|May 4, 2023
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        Customer Reviews

        4.9 out of 5
        (417)
        • 4.9
          out of 417 reviews
        • 100% recommend this product
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        Showing 1-10 of 417 reviews
        Great Gen.
        Great system works great. Have had one power outage and it was about 24 deg. And it started first time ran about one hour and you couldn't tell that the power was off. I bought mine during to time that it had a 10 year warranty.
        by
        • Verified Purchase
        • Recommended
        Makes me fill protected
        The unit looks great..I live in the country where the power goes out quite frequently..so now I never even think about when we have bad weather..Only had it for a year, so I can't comment on maintenance or reliability. I have not had any problems. I have a geothermal HVAC system and the well pump is tied into my shop therefore I need to transfer switches to power both my home and my shop. With the underground power it makes for neat installation. Very pleased.
        by
        • Verified Purchase
        • Recommended
        Makes Us Feel More Secure
        We have only had our GenerAC whole-house unit for 6 months and only had to use it once but the feeling that our basement will no longer flood when the power to the sump pump goes out during a storm or that we can still flush when there's no electricity to run the well is very satisfying.
        by
        • Verified Purchase
        • Recommended
        Best value on the market
        Generac is consistantly a great product to install and enen better value long term.
        by
        • Verified Purchase
        • Recommended
        Great
        I've had it since spring 2016 first test on our New England nor'easter 1/24/17 thank god it was just 60 mile an hour winds and rain and not snow kicked on twice in one day worked great neighbors on now envious
        by
        • Verified Purchase
        Great Generator
        Good, reliable, high quality backup power source. Installed on high concrete footing for easy access and snow avoidance. Would prefer if the top cover had more of a crown to prevent standing water... also, would prefer self-adjusting valves. Bottom line - Works as advertised... would recommend.
        by
        • Verified Purchase
        • Recommended
        Wonderful
        Everything as advertised ... Great communications ... actually looking forward to the power going out now
        by
        • Verified Purchase
        • Recommended
        One of our best purchases ever.
        In the last five months we have lost power six times. My wife and I talked about getting a generator but thought they would be way to expensive. Boy were we wrong! When I told my wife the price she said "order it" Four days later it was here and two days after it was installed. We have the 16,000 watt Generac with the whole house transfer switch. IT RUNS EVERYTHING. Very Very pleased.
        by
        • DIY
        • Verified Purchase
        • Recommended
        7 found this review helpful
        Whole-House Standby
        My Generac Standby Generator is off to a good start. We have it completely installed and have run the whole house from it for about an hour. It appears to perform as advertised, but one hour doesn't really tell us how it will do after a hundred hours. I expect no problems, though. The installation is not difficult but there's a lot of work. The Generac manuals say, "Only qualified electricians. . .should attempt installation!" They mean it. Unless you are well versed in wiring branch service panels and dealing with the National Electric Code, you shouldn't attempt it. I did but I'm an electrical engineer with much wiring experience. There are some things you can't get from the Generac literature: the long front opens for engine access so it needs space in front; the breaker panel is on the outside of the right end; the electric and gas inlets are on the back near the right corner (as seen from the front); the output breakers are 65 amps so #6 AWG wire to the transfer switch is sufficient, even for a 200-amp switch; the package weighs almost 500 pounds; the base dimensions are 48 by 29 inches so the concrete pad needs to be several inches larger; six conductors #18 AWG rated at 250 vac are needed for control wires from the transfer switch to the generator. These are all questions I had while planning the installation before ordering. The overall work, from placing concrete for the pad to running 60 feet of 3/4" conduit under the house to installing the transfer switch to running the generator power and control wires took about a dozen hours. My installation supplies the whole house through 200-amp service. Shifting the mains from the top of the entrance panel to the transfer switch and then connecting the transfer switch to the entrance panel requires you to work with #000 AWG wire, which can be a struggle. That part of the installation took over two hours and a couple of skinned knuckles. Once everything is installed, testing is straight forward and the system ran properly as soon as programming its controller was finished. You must perform the authorization-code step. Materials for installation totaled about $600. My time is free and our daughter's help is priceless!
        by
        Response from GeneracMar 23, 2015
        We are happy to learn of the positive experience that you have had with our automatic standby generator and associated transfer switch. As you have alluded, we would always recommend utilizing qualified electricians for installation purposes. Also, please note that the wiring and configuration of each installation will vary from one setup to the next, as local codes supersede any of our recommendations as the product's manufacturer. Lastly, please note that the information that you were unable to locate in the product's literature is in fact provided in the unit's documentation. If you would like to receive this literature for future reference, please do not hesitate to contact us directly at 888-GENERAC with the model or serial number of your personal unit. Lastly, to ensure that you have registered the unit properly with Generac Nation, please provide the requested information at the following link: http://www.generac.com/generac-nation-sign-up?cid=frm-100-aa Generac
        • DIY
        • Verified Purchase
        • Recommended
        21 found this review helpful
        Best move I ever made
        I use to use a 8 K welder generator to keep power running in the house but I had to be home to connect it. I travel all the time not fun getting the phone call from Mrs. I connect this up and could not believe how well the switch and generator reacted to an outage, and how it handled the load. I highly recommend this generator and switch.
        by
        • DIY
        • Verified Purchase
        • Recommended
        9 found this review helpful
        Showing 1-10 of 417 reviews