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Generac Guardian™ 20kW Aluminum Standby Generator System (200A Service Disconnect + AC Shedding)
Model:
5875
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Features
Grade
Emergency
Style
Standby (Air Cooled)
Run Watts
20,000 Rated Watts
Voltage
120/240 Single-Phase
Fuel
LP/Natural Gas
Engine
Generac OHVI

Generac Guardian™ 20kW Aluminum Standby Generator System (200A Service Disconnect + AC Shedding)
Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."
- Smart Circuit Standby Generator System
- Restores power to your entire electrical panel automatically
- Digital Load Management (DLM) protects against overload
- Nexus Smart Switch™ (RTSD200A3 - Included)
- DLM technology allows for the smart control of 2 air conditioners
- Service Rated: Mounts between meter and main service panel
- 200 amp aluminum indoor/outdoor (NEMA 3R) cabinet
- Nexus™ Digital Controller
- Provides system status to compatible Nexus™ wireless monitors
- Aluminum Sound-Attenuated Weather Proof Enclosure
- Lightweight material offers superior corrosion resistance
- Reduces sound pressure to a low 66 dB(A)
- Attractive styling with lockable access doors
- Automatic Voltage Regulator
- Regulates ouput voltage to ±1% which prevents damaging spikes
- Safe for sensitive electronics like computers and televisions
- Generac OHVI Air-Cooled Engine
- Full pressure lubrication system w/ 2 year oil change interval
- 1' flexible fuel line and DVD manual included
- Listed to UL2200 Engine/Generator Standard for Safety
Specifications
5875

Overview
Weight
541 Pounds
Made in USA
Yes
Consumer Warranty
3 Years
Commercial Warranty
3 Years
Product Style
Standby Generator
Product Length
48 Inches
Product Width
25 Inches
Product Height
29 Inches
UPC
696471058758
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Rated Watts
20000 Watts
Surge Watts
20000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
18000 Watts
LP Power Capacity
20000 Watts
NG Fuel Consumption @ 50% Load
206 ft³/hr
LP Fuel Consumption @ 50% Load
1.89 gallons/hr
Rated Amps
83 Amps
Decibel Rating @ 7m
Decibel Rating @ 7m
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
66 dbA
Transfer Switch
Automatic (Included)
Transfer Switch Amperage
200-Amps
Battery
Not Included (525 CCA)
Enclosure
Aluminum
A/C Ton Rating
2 x 5-Tons
Mounting Pad
Composite (Included)
Transfer Switch Style
Service Disconnect
ATS Load Shedding
Built-In
ATS Poles
2 Poles
ATS Service Disconnect
Yes
Cooling System
Air Cooled
UL Listed
Yes
Grade Type
Emergency
Engine
Engine Brand
Generac OHVI
CC
999 CC
Consumer Engine Warranty
3 Years
Commercial Engine Warranty
3 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Yes
Reviews
(165)
Generac Guardian 5875 Reviews & Ratings
Customer Photos and Videos







Customer Rating
4.78
(165 Ratings)
5
(148)

4
(5)

3
(7)

2
(2)

1
(3)


Very Powerful Generator!
By Rick H.
Longview, Texas
Purchased 02/22/2013 |
Review Posted 05/21/2018
Awesome generator. Runs the whole house, including central unit, with no problems.
Rick H. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Exceeded Expectations, I'd Buy It Again

Great, No Trouble
By Rick P.
Grosse ILe, Michigan
Purchased 02/01/2011 |
Review Posted 02/03/2016
I'm in a WheelChair, and need power 24/7. This Generac runs my whole house. I have 2 full kitchens -2 ovens -2 Ref. -2 big freezers - 5 ton AC it has no trouble running it all. Also 2 Air matt. 96 lights.
Rick P. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5

Generac Generator
By Robert M.
Columbiana, Ohio
Purchased 03/16/2013 |
Review Posted 07/08/2014
We installed the Generac a year and half ago and wasn't till last week the power went out. It performed flawlessly for the 2 hours until power was restored. We are glad to have such a nice product and feel comfortable about forth coming power outages.
Robert M. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, I'd Buy It Again, Durable, Fast
Cons:
None
More Time Broken Down Than Working
By Stanley T.
Old Greenwich, Connecticut
Review Posted 07/20/2013
2 control boards recalled. Blown engine and blown electrical head all within Three years and light use. Now has been down 5 weeks waiting for parts during record heatwave. Very disappointed in what I thought was a good old reliable product and company.
Stanley T. Does Not Recommend This
Was this review helpful?
Rating Breakdown
4/5
1/5
1/5
1/5
Cons:
Unreliable, Durability, I Have Had Nothing But Breakdown With My Generac 20kw Standby Gua

The Comfort Zone
By Charles S.
BUCHANAN, Virginia
Purchased 04/01/2013 |
Review Posted 06/03/2013
One day after years of being at the will and pleasure of Mother Nature I rebelled and placed my faith and Family under the care of Generac. As the unit was being installed I could tell how well the unit was built. This appears to be the best idea and best way to take care of family and friends. Customer service contacts have been great. They are there,, the unit is there and we feel safe. THANK YOU
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5

Up and Running
By Harold B.
Meridian, Idaho
Purchased 05/01/2013 |
Review Posted 05/24/2013
The generator is finally fully installed, up and running. Besides looking good, the fully automatic functions will now add security in bad weather should there be a power outage.While the generator was running, my next door neighbor was cutting his lawn. Standing next to the generator having a normal level conversation, my electrician and I could hear the lawn mover over both our talking and the generator running. The service and delivery from Electric Generators Direct was fantastic, as was contact with the people there by phone.
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Nice Features & Price
By Mark
New York
Review Posted 05/07/2013
This generator has plenty of power and the load shedding in the transfer switch meets NEC requirements for high load installations.
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5

Just Tired
By Mike G.
Franklin lakes, New Jersey
Purchased 11/17/2012 |
Review Posted 05/05/2013
After Hurricane Irene, I told my wife I was going to buy a generator. Weather got nice and I forgot. After Hurricane Sandy and after spending days and weeks in hotels, I said enough! I then ordered a Generac 20kw generator in December. It was installed in April and works like a dream.
To all of you thinking of buying and installing one, don't wait, DO IT TODAY!!!
To all of you thinking of buying and installing one, don't wait, DO IT TODAY!!!
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Totally Pleased
By Robert M. B.
Stafford, Virginia
Review Posted 04/17/2013
Less than one month after installation March 2013, we were hit with a power outage, and to my surprised, the Generac 20KW took less than 10 secs for it to start and then ran the whole time, approx 25 hours without any problems. Since it is a managed whole house system, the ATS did its job and managed the 4 priorities we decided on - water pump, furnace, air/heating, stove. My home network of computers and printers and DIRECTV all functioned quite normally during the time of the utility outage. The fuel used was about 5% of the 300 gal Propane Fuel and that pleased me even more. Every Monday at 3:00pm, it does its automatic checks and so far I am totally pleased with the performance and the noise level, which surprised my neighbors quite a bit. The neighbors closer to my house, thought I had utility power during the outage, until I told them it was the generator power at work during that time. I am thankful I made the investment, even though I am military retired and investing $9500 for the entire system, installation and fuel, it was worth it. Waiting for the next outage to occur, hopefully minor ones and not the destructive ones I have been reading and hearing about.
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Nice Unit
By Mark
Magnolia, Texas
Review Posted 04/16/2013
Everything as promised happened, They shipped it the next day and it arrived in Texas 4 days later. They unloaded the unit and took it to my garage which is no easy task. Tried to tip the driver and he said it was his job and if i had a water that would be great. Install took one day with a very good installer. The only true surprise was the cost to upgrade the gas meter. A little high from what i have researched but what can you do with a monopoly.
Ran great and they showed my wife how to trouble shoot if i was not home and it dint start as it should. She was not happy at first but when she saw how quickly it starts and provides power she said "Your right Sweetheart!"
Ran great and they showed my wife how to trouble shoot if i was not home and it dint start as it should. She was not happy at first but when she saw how quickly it starts and provides power she said "Your right Sweetheart!"
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
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Manuals
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Generac Guardian™ 20kW Aluminum Standby Generator System (200A Service Disconnect + AC Shedding)


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