Model # 6237

Internet #204006863

Generac 8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch
0696471062373

Discontinued Generac

8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit 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

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Product Overview

Generac's 8,000-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: 8,000-Watt generator, 50 Amp transfer switch, evolution controller and composite mounting pad
  • 24/7 Generac customer care support 365 days a year, power outages do not always occur during normal working hours that is why we are standing by
  • Generac's evolution controller features a dual-line, multilingual LCD display allowing for easy monitoring and management of generator functions, built-in hour meter and external at a glance indicator lights
  • Certified for 18 in. installation to the home (3rd party-certified to NFPA standards provided it is located away from doors, windows and fresh-air intakes and unless otherwise directed by local codes)
  • Easy installation with an intelligent pre-wired transfer switch, re-engineered connection points and composite mounting pad that eliminates the need for a poured concrete base (unless specified by local codes) get it installed 800-557-5221
  • Tool-less fuel conversion allows for easy switching between natural gas and LP fuels in the field
  • Rated for operation in areas with low natural gas pressure, significantly lower than published numbers for competitive standby systems (Generac is the only manufacturer to certify operation on only 3.5 in. of water column)
  • Sturdy galvanneal steel enclosure with rhinocoat finish for superior weather protection to withstand 150 MPH winds
  • True power technology provides clean, smooth operation of sensitive electronics and appliances
  • Mobile link compatible wireless remote monitoring system receive status updates using your computer tablet or smart phone giving you peace of mind even when you're away (purchased separately)
  • Generac promise engineered and supported by a 5-year limited warranty and 24/7 customer care support 365 days a year
  • Click on the more info tab to download the specifications pdf to view the refer a friend rebate for the 50 savings
  • Mobile link and 26R battery purchased separately



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Customer Questions & Answers

8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch
8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch

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5 answers

Do you need to specify naural gas or propane gas when ordering or will the same generator run on either type of gas?

This question is from 8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch
Asked by
Dbl D
Harrisburg, PA
August 5, 2012
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Answers (5)

Asked by
Bucks County, PA, USA
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Home Improvement Profile: Other
May 1, 2014
Answer: 
No. However, as it states somewhere in the specs, if you hook up to natural gas, you get 7KW, whereas if you use propane, you get the 8Kw. I don't know why, but a plumber would probably be able to answer that. Or, even have Home Depot inquire about it.
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Asked by
Southeastern Wisconsin
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September 25, 2012
Answer: 
The unit comes set up for natural gas from Genrac. A simple tool and instructions are provided to switch over to propane.
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Asked by
Snowman
September 18, 2012
Answer: 
This unit is shipped from the factory in Natural Gas mode. To use Propane you merely locate the Fuel Source Selector Switch which is currently in the Battery Compartment - near the top - just behind the air filter. The selector switch is spring loaded, so there is a special tool used to pull the switch straight out before rotating the switch 90* clockwise to the LP position then letting the spring Read More
This unit is shipped from the factory in Natural Gas mode. To use Propane you merely locate the Fuel Source Selector Switch which is currently in the Battery Compartment - near the top - just behind the air filter. The selector switch is spring loaded, so there is a special tool used to pull the switch straight out before rotating the switch 90* clockwise to the LP position then letting the spring retract the switch. Care needs to be taken as the switch is made of plastic and excessive force can break it. The special tool should be in a plastic bag with your; flexible gas connection, battery post covers and the like. It's a black "T" handle with a "post" which goes into the hole in the switch.
The switch can be turned to far so if you can't see the "LP" and "NG" positions try to feel for the proper seating of the switch.
The best time to perform this is BEFORE you install the battery as you may be able to get your head in to where you can see better.
Instructions for this are in the Owners Manual under Reconfiguring The Fuel System
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Asked by
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September 18, 2012
Answer: 
specify. Natural gas needs an adapter.
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August 7, 2012
Answer: 
Hello Dbl D and thank you for your question.
The Generac 8kW Automatic Backup Power System is configured for natural gas operation at the factory. Switching over to LP Vapor is a simple procedure. Your unit is designed to work with either fuel source.
For more information, please see page 7 of the Installation Guidelines found here: Read More
Hello Dbl D and thank you for your question.
The Generac 8kW Automatic Backup Power System is configured for natural gas operation at the factory. Switching over to LP Vapor is a simple procedure. Your unit is designed to work with either fuel source.
For more information, please see page 7 of the Installation Guidelines found here: http://www.homedepot.com/catalog/pdfImages/80/80a9a1d0-f6e3-43c2-a36d-c6b1b9d82c9b.pdf.
Best wishes with this project. Read Less
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5 answers

Does this unit have to be installed outside?

This question is from 8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch
Asked by
Tony
December 19, 2011
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Asked by
Bucks County, PA, USA
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Home Improvement Profile: Other
May 1, 2014
Answer: 
I don't know. Have never heard of one being inside, because it is air cooled.....but you could always contact a local Generac dealer with that question. We have found that our local dealers are more than happy to answer questions, because they hope to get your business in the future.
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Asked by
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November 3, 2012
Answer: 
yes
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Asked by
Snowman
September 19, 2012
Answer: 
This unit was manufactured for an outdoor installation. Not Only should it be installed outdoors but special instructions should be followed to insure that it's exhaust can't find a way into your home. These instructions come with the unit. In some installations I recommend a plug-in "CO" detector be placed inside the home at a receptacle closest to the outside wall where the generator is placed. I like Read More
This unit was manufactured for an outdoor installation. Not Only should it be installed outdoors but special instructions should be followed to insure that it's exhaust can't find a way into your home. These instructions come with the unit. In some installations I recommend a plug-in "CO" detector be placed inside the home at a receptacle closest to the outside wall where the generator is placed. I like this for; older homes, homes where the prevailing wind takes the exhaust in the direction of the home, homes where season change may effect the path of exhaust flow - such as snow, homes where additions made later may effect exhaust flow. New homes require "CO" detectors, are more tightly sealed, have air turnover systems and may not need the extra protection. Me, I like to err on the side of safety. Read Less
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Asked by
London, OH 43140, USA
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March 13, 2012
Answer: 
Yes. It burns natural gas or propane.
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Asked by
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December 21, 2011
Answer: 
Yes, all Generac home backup generators must be installed outside the home. These units cannot be modified for inside installation.
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5 answers

Does this turn on automatically when the power fails, or do I have to go out and start it up manually?

This question is from 8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch
Asked by
done with living in the 17th century
November 23, 2011
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Asked by
Bucks County, PA, USA
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May 1, 2014
Answer: 
If you are asking about the 8KW Generac stand-by generator (the one we have)....if you buy a battery (look on-line for type), it will be automatic start. that's what we did, as we don't want to have to be home in order to start it. With the battery, you set a timer-type device in the unit, to do a test start up on the same day /time every week, forever. It runs for 12 minutes...starts up and shuts down Read More
If you are asking about the 8KW Generac stand-by generator (the one we have)....if you buy a battery (look on-line for type), it will be automatic start. that's what we did, as we don't want to have to be home in order to start it. With the battery, you set a timer-type device in the unit, to do a test start up on the same day /time every week, forever. It runs for 12 minutes...starts up and shuts down by itself. We have had ours for about 3 weeks and the test runs have been perfect....sounds like a lawn mower.....with the battery, the generator will come on automatically whether you are home or not during an outage. We felt it was worth the price of a battery...i'm pretty sure it's the same as a car battery, but check the specs on-line. We got ours at a local Generac dealer, but probably didn't have to....just wanted to be sure we started with a "totally approved " battery. We will buy a back up one to keep on a charger in the basement, as some reviewers said they didn't get the expected life out of their battery....just like car batteries.....Also, if you didn't have the battery, you would have to go out once a week to do the test run. Read Less
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Asked by
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November 3, 2012
Answer: 
power goes out .....count off 13 seconds and the Generac cuts on :)....u can set it for manual. We turn ours off at night and restart it in the morning.
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Asked by
Snowman
September 18, 2012
Answer: 
This unit has a 3 position switch. In AUTO it will run automatically if installed correctly.(correctly only refers to an auto-standby setup where an automatic transfer switch and sensing circuit are incorporated.) In MANUAL it will start and run as soon as the switch is placed in this position, if installed correctly. (correctly here only refers to proper fuel selected and turned on - I know people who Read More
This unit has a 3 position switch. In AUTO it will run automatically if installed correctly.(correctly only refers to an auto-standby setup where an automatic transfer switch and sensing circuit are incorporated.) In MANUAL it will start and run as soon as the switch is placed in this position, if installed correctly. (correctly here only refers to proper fuel selected and turned on - I know people who save money by using the OFF position and valving off the fuel. Then they wonder why it won't start when they forget to turn the fuel back on.) In OFF you should be able to service the unit without it starting at all.
In either AUTO or MANUAL the unit can go into LOCKOUT where it WILL NOT attempt to start again unless the switch is RESET by switching it to off and then back to AUTO or MANUAL.
So, knowing that this switch exists and how it works is important.
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Asked by
London, OH 43140, USA
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March 13, 2012
Answer: 
Full Auto.
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Asked by
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November 23, 2011
Answer: 
This unit starts up automatically in a power outage, and will run on your existing LP or natural gas fuel supply until utility power returns.
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4 answers

My house has 100 amp service. I see that the new model comes standard with a 50 amp transfer switch. Will this work or do I need 100 amp switch?

This question is from 8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch
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April 30, 2014
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Asked by
Read all my Q&A
October 7, 2014
Answer: 
You won't want to run things like tha A/C or dryer so you won't hook them up and probably won't need more than 50
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Asked by
Northern New York
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Home Improvement Profile: Professional
May 3, 2014
Answer: 
Yes, it will work. The engineers at Generac pre-plan the equipment and package deals.
The 50 Amp Automatic Transfer Switch is more of a subpanel transfer switch where you attach it to your main panel and move the circuits - which you want powered during a power outage - to this transfer switch.
In your MAIN Panel you will install a double pole 40 Amp breaker to feed this subpanel on utility power. ( 10
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Yes, it will work. The engineers at Generac pre-plan the equipment and package deals.
The 50 Amp Automatic Transfer Switch is more of a subpanel transfer switch where you attach it to your main panel and move the circuits - which you want powered during a power outage - to this transfer switch.
In your MAIN Panel you will install a double pole 40 Amp breaker to feed this subpanel on utility power. ( 10 Amps lower than rating. )
This generator will provide 29 - 33 Amps at 240 volts of power depending on fuel source. ( still below the 50 Amp rating. )
I'm sure they engineered the buss and switching ability above that in order to safely switch under load.
I'm not a particular fan of the 50 Amp Automatic Transfer Switch as I really liked the 100 Amp ATS that it replaced. The original 50 Amp ATS was also involved in a recall / fix BUT - from what I witnessed -they did handle the recall well. ( please note that the recall was a "function" problem and not a "threat" to have installed.)
The 100 Amp ATS does not provide you with any more power, I just liked it because I felt it was a better built product. I still keep one or two on hand for those who prefer them.
Hope this helps.
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Asked by
Bucks County, PA, USA
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Home Improvement Profile: Other
May 1, 2014
Answer: 
WE also have 100 amp service, and all is well with this transfer switch. I strongly suggest that you have an electrician, or two, come to your house to check out your usage, amp-wise, and to answer electrical-type questions, and to check the condition of your wires and box(es). If they are not in very good shape, they may suggest work to be done before you add a transfer switch. many will come to give a Read More
WE also have 100 amp service, and all is well with this transfer switch. I strongly suggest that you have an electrician, or two, come to your house to check out your usage, amp-wise, and to answer electrical-type questions, and to check the condition of your wires and box(es). If they are not in very good shape, they may suggest work to be done before you add a transfer switch. many will come to give a free estimate and answer questions you have. Read Less
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Asked by
Bucks County, PA, USA
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Home Improvement Profile: Other
May 1, 2014
Answer: 
We also have 100 amp service to the house and all is fine. I strongly suggest that you have a couple of electricians come to your house to inspect your box(es) and wires before you buy a generator. We did not, and after we had it connected to our natural gas by a plumber, we contacted the electrician the plumber had worked with. The electrician said if we had contacted him at the very beginning, he would Read More
We also have 100 amp service to the house and all is fine. I strongly suggest that you have a couple of electricians come to your house to inspect your box(es) and wires before you buy a generator. We did not, and after we had it connected to our natural gas by a plumber, we contacted the electrician the plumber had worked with. The electrician said if we had contacted him at the very beginning, he would have recommended the next larger size generator, but all is fine. They have the tools to go to your box and measure amps, etc that are in use. Fortunately our wires and boxes were updated a few years ago and all were in good shape. If they hadn't been, they would have needed work before the transfer box could be hooked up. We could only use 8 of the 10 circuits because we had 2 circuits solely for the pool pump and filter, which would use a lot, if the generator came on during pool season. They would account for more draw on the generator. All turned out ok otherwise. We have 2 sump pumps which are on 2 different circuits as well, plus a few other essentials, like the refrig, internet, my husband's home office outlets. Because we have natural gas, we can still use our gas grill and gas stove top, by lighting it. No air conditioning, but that's ok....would have needed the larger size. We are really happy that we have priority items covered. We are also switching all lights over to LEDs, which we got at Home Depot:CREE brand on sale through our town's electric company. By doing that, we will lower the drain on the generator overall considerably, especially on motion lights and spot lights.We have the auto on one, as we purchased a battery for it. We are very happy with the generator. It comes on once a week at a designated time, and runs for 12 minutes, then goes off. Highly recommend the generator (appropriate size, of course), the fascia that you can buy, and Home Depot's service. Read Less
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Customer Reviews

8,000-Watt Air Cooled Automatic Standby Generator with 50 Amp Pre-Wired 10-Circuit Transfer Switch is rated 4.0 out of 5 by 48.
Rated 4 out of 5 by from Great price, pretty good quality Overall a great generator. I only have a couple issues. 1) there was a defective limit switch in the transfer switch which destroyed the coil. The authorized service came out quickly, but it took 3 weeks to get the parts. I would think a little better quality testing would have caught this at the factory. 2.) The manual is out of date. The transfer switch configuration is backwards from what is printed in the manual and doesn't have dual coils as shown in the manual. Again, a little quality control should have caught this. Otherwise, the generator itself started up quickly, runs like a champ, and is pretty quiet. I installed it myself, but I am very experienced in electrical and plumbing. Most should probably hire an authorized service agent to hire as the manual is somewhat technical and installation requires quite a bit of electrical and gas piping knowledge.
Date published: 2013-09-21
Rated 3 out of 5 by from Generator has a few bugs , install is expensive! I got this generator and was very excited about getting it installed. I purchased it online and received it pretty fast. The generator when installed immediately gave a code. I had to call the repair people in it was covered under warranty but the had to replace a part in the unit and reprogram it as well. This is a new generator are you serious? These generators have issues when starting in cold weather, i got another code for long cranking in the winter months, when i went to start it manually a day latter when the temperature went up it started fine and the red light went green. I talked to the repair tech and he said this was a common problem with these units. This is not good cause what if i need the generator to work in the coldest months. Whats wrong with the manufacture, dont they know people will use this in the cold months, i know the sell the block heater, i inquired about this but apparently it wont solve the issue of the starting as that is related to condensation freezing in the orifice were the fuel sprays. Another thing to keep in mind is that the Generator will cost you a pretty penny to install in some cases as much as you paid for the generator. Also if you are doing the install your self to be eligible for insurance regulations you have to have it ESA approved. I had a licensed electrician install it after searching for the best price, when i called the generac authorized dealers they were asking for some ridiculous amounts to do the electrical work, I hired a local electrician, he charged me $600 to install/ w ESA certification compared to the other generac authorized dealers who were asking $2000 plus ESA certification. Do your shopping around on the install, I had no problems with the gas install as my friend did the gas part and charged me cost of materials. I also poured a concrete pad as i did not want to deal with sinking patio stones in the future. So far i have not needed to use it and hope in the event that i do, it will operated flawlessly, if not i will post to let everyone know.It does come on for its regular maintenance schedule which is a cool feature and make me feel a little more comfortable knowing that it is starting itself from time to time. Also this unit will not run your A/C, especially if you have other circuits used at the same time. If you want your A/C and dryer etc, invest in the 20kw unit.. Install will be the same price regardless.
Date published: 2015-02-20
Rated 2 out of 5 by from Warranty Problem Had a problem with unit 8 months before 2 yr labor warranty expired. Service company has not corrected problem after several visits. Labor warranty expired early November. Generac will not cover labor on my continuing problem even though the problem started prior to expiration of the labor warranty. Service man also says its hard to get Generac to replace parts that could be causing the problem.
Date published: 2011-03-13
Rated 1 out of 5 by from Little or no quality control Had this generator installed on Jan 15th, 2014. It is now Feb 9th, 2014. Generator started up after installation and ran for maybe 30 seconds and died. Generator won't start up unless you fool around with choke. I don't blame contractor but wish he could get it up and running before I need it. I think the manufacturer shipped out a bad generator and I am the one who has to suffer. I will never buy or recommend a Generac generator to anyone.
Date published: 2014-02-09
Rated 5 out of 5 by from Reliable, great price I shopped around for quite awhile between different generator manufacturers and retailers who sell them and I couldn't find a better deal than this unit at Home Depot. I run mine off of natural gas and since I bought it 6 months ago the power has gone out twice for more than 12 hours. Within seconds of the power going out it started up and powered up my house. With kids at home and the fact I travel for my job I feel a lot better when I leave town especially over winter when it's so cold out. I would recommend buying Generac at Home Depot to anyone.
Date published: 2010-11-19
Rated 2 out of 5 by from Bad Luck with this product Unit was doa and a new board had to be installed. We've had nothing but problem with this unit. Of course we are past our two years now and it is broken yet again. Maybe we just got a lemon but I will never buy this brand again
Date published: 2011-05-31
Rated 1 out of 5 by from Grossly disappointed Like others, I purchased this unit based on reputation. After 8 months, the generator died. It had no hours on it other than the weekly self checks. Several authorized service calls later, it was determined my engine needs to be replaced. (apparently Generac will replace every part, but not replace the whole unit) Now I'm stuck with an inherently defective unit I'll never be able to fully trust. And now I'm without backup as storm season approaches. I wish I could bill Generac for all my time spent arranging service calls. Thanks Generac.
Date published: 2012-06-04
Rated 1 out of 5 by from Never again Generac I ordered this generator in May 2013 it took 30 days to arrive. I had it installed by a licensed electrician and a licensed gas fitter. The generator ran it's regular cycle for 3 months and has now refused to run. The remote reader that I paid extra for has never worked. Now I am trying to get a service tec. to get it running again. After 3 frustrating weeks the service ted. tells me that Generac will not send him the necessary service information to do the work. They are great things when they work correctly but heaven help you when they break down.
Date published: 2013-11-05
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