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Generac Synergy™ 20kW Variable Speed Standby Generator (200A Service Disc.+ Power Mgmt. & MobileLink™)

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Generac Guardian Electric Generators and Accessories
Model: 7040
(Based on expert analysis, manufacturer ratings and customer reviews)
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
7 Reviews
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  • Features
  • Specs
  • 6
    Q&A 
  • 7
    Reviews
  • Articles
  • Shipping
  • Accessories
Grade
Style
Run Watts
20,000
Rated Watts
Voltage
120/240 Single-Phase
Fuel
Engine
20kW (LPG) / 18kW (NG) Generac Synergy™ Variable Speed Standby Generator System
Quiet, tests at only 57 dB(A) & runs at 63 dB(A) @ 23 feet

5-Year Limited Warranty
Plus 24/7•365 Customer Support so you have you questions answers when its convient for you

Includes Mobile Link™ Remote Monitoring
Easily montior generator status anywhere with a smartphone, tablet, or PC

G-Flex™ Variable Speed Technology (2700-3600 RPM)
Varies engine RPMs based on demand; unlike traditional standbys

Automatic Voltage Regulator (AVR) - Less Than 1.5% THD
Monitors demand & adjusts engine speed; Save $ & use less fuel
Ensures 60 Hz output, even at lower speeds for very clean power

200-Amp Generac Synergy™ Smart Switch w/ Power Mgmt. RTSB200A3
DPM technology allows for the smart control of 2 air conditioners
Intelligently manage 4 more loads w/ add. PMM Kit/Mods. (Sold Separately)

Service Entrance Rated w/ NEMA 3R Aluminum Enclosure
Mounts between meter & main service panel; Load & Line breakers

Evolution™ Digital Controller
Multilingual, 2-Line LCD display for simple, straighforward operation
Programmable-exerciser lets you set how often & what time generator will self-test

Tough, Durable All-Aluminum Sound Attenuated Enclosure
RhinoCoat™ powder-coated finish keeps enslosure protected from the elements

Generac OHVI Air-Cooled Engine
Full pressure lubrication system w/ 2 year oil change interval
Optimized muffler and resonator for dramatically quiter operation

Installation Flexibility*
Can be installed within 18" of a building; *Always check local bulding codes

Generac Standby Generators & Engines - Built In The USA*
Built in the USA using domestic & foreign parts

Additonal Features:
12" Flexible fuel line and Direct-To-Dirt composite mounting pad
Built-in Battery Charger (Battery Sold Separately)
Engine
Engine Brand
Generac OHVI
Starting System
12v Auto Start
CC
999 CC
Consumer Engine Warranty
5 Years
Commercial Engine Warranty
5 Years
Low Oil Alert/Shutdown
Yes
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Surge Watts
20000 Watts
Rated Watts
20000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
18000 Watts
LP Power Capacity
20000 Watts
NG Fuel Consumption @ 50% Load
200 (BTU: 200,000 BTU/HR) ft³/hr
NG Fuel Consumption @ 100% Load
282 (BTU: 282,000 BTU/HR) ft³/hr
LP Fuel Consumption @ 50% Load
1.84 (BTU: 166,980 BTU/HR) gallons/hr
LP Fuel Consumption @ 100% Load
3.5 (BTU: 317,625 BTU/HR) gallons/hr
Rated Amps
83.3 @ 240 Volts (Single Phase) Amps
Decibel Rating @ 7m
63 Run dbA
Idle Control
Yes
Transfer Switch
Automatic (Included)
Transfer Switch Amperage
200-Amps
Enclosure
Aluminum
Battery
Not Included (540 CCA)
A/C Ton Rating
2 x 5-Tons
Mounting Pad
Composite (Included)
Transfer Switch Style
Service Disconnect
ATS Load Prioritizing
Sold Separately
ATS Load Shedding
Built-In
ATS Poles
2 Poles
ATS Service Disconnect
Yes
Cooling System
Air Cooled
UL Listed
Yes
Grade Type
Emergency
Overview
Made in USA
Yes
Weight
471 Pounds
Product Style
Standby Generator
Product Length
48 Inches
Product Width
25 Inches
Product Height
29 Inches
Consumer Warranty
5 Years
Commercial Warranty
5 Years
UPC
696471070408
Model
7040
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  6 Questions
Q: Should I pour a concrete base to place this unit on or can you place on a level dirt pad?
by Jim from Iowa on September 03, 2015

A: Thank you for contacting Electric Generators Direct.

I would advise pouring a concrete base. Or I would advise looking into a GenPad.


GenPad Product Info

by Mike, Product Expert
Q: Can aluminum wire be used to feed the breaker on a Generac generator?
by Glenn from New Jersey on December 11, 2014

A: Thanks for your inquiry.

When wiring the generator it must be in accordance with local jurisdiction and codes. If ALUMINUM conductors are used, apply corrosion inhibitor to conductors.

by Mike, Product Expert
Q: If I'm not around when my home standby generator is running, what type of protections systems do the Generac units have?
by Josh from New Jersey on November 13, 2013

A: The generator may have to run for long periods of time with no operator present to
monitor the engine/generator conditions. Therefore, the generator is equipped with a number of systems to automatically shut down the unit to protect it against potentially damaging conditions. Some of these systems are as follows:

• Low Oil Pressure Sensor
• High Temperature Sensor
• Overcrank Sensor
• Overspeed Sensor
• RPM Sensor
• Under-frequency Sensor
• Undervoltage Sensor
• Overvoltage Sensor
• Internal Failure Sensor
• Low Battery Voltage Alarm

The control panel contains a display which alerts the operator when a fault condition occurs. The above list is not all inclusive. For more information about alarms and control panel operation, see Section 3 (Operation) in the owner's manual.

by Mike, Product Expert
Q: What type of oil should I use in my Generac home standby generator?
by Jim from Illinois on November 11, 2013

A: The maintenance section in the Generac's home standby owner's manual lists that the oil type is based on temperature ranges specific in your area.....

SAE-30 above 32º F (0º C)
10W-30 between 40º and -10º F (4º and -23º C)
Synthetic 5W-30 for all temperature ranges

All new models come with SAE-30 oil in them and have been test run at the factory for 25 hours and no break-in is required. The first oil change would be at 2 years or 200 hours, whichever comes first.

by Mike, Product Expert
Q: I'm not sure if this falls into the repair area but, I'm concerned about the sound this generator produces. Is there a way to lower that? Is there sound proofing approved for use for the interior walls of this type of home standby? My neighbors bedroom window will be 20ft from where I plan to install the generator. I would prefer doing something inside the generator as apposed to some type of fencing or other external methods.

by Mark H. from New Jersey on October 23, 2013

A: The manufacturers make every effort to reduce the sound of their generators as best they can keeping within NFPA and UL requirements. There are currently no options or parts available to install inside home standby systems to reduce their db(A) levels.

Your only option is location or sound barriers installed around the unit while keeping within NFPA and manufacturers distance requirements for proper fire protection, air intake and exhaust output.

We recommend consulting with your local inspector or AHJ (Authority Having Jurisdiction) as to the specific local code requirements.

by Mike, Product Expert
Q: Is the Smart Switch the actual Automatic Transfer Switch? Or are they different? The specs says that there is an automatic transfer switch included.

by Joseph P. from New York on October 21, 2013

A: The "smart switch" is the automatic transfer switch. The ATS has an internal load manager that will load shed up to 2 AC units preventing the overload of the generator at start-up.


by Mike, Product Expert
Generac Guardian 7040 Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
Pros
Quiet (7)
Features (5)
I'd Buy It Again (5)
Exceeded Expectations (4)
Price (3)
Cons
TBD (1)
Complex instructions (1)
Heavy (1)
None (1)
100% of respondents would recommend this product to a friend
7 Reviews  Sort by 
 
Forest C.
Utica, MS
Purchased from Electric Generators Direct
Purchased 3/31/17
Total Helpful Votes
13 Helpful Votes
Most Helpful Positive Review
REVIEWED
JUN.
08
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
This Generator Is Great
It was amazing that our electricity was off 3 times in 2 weeks after installing. Our Generator restored power in a matter of a few seconds. We love it.
Pros: Quiet, I'd Buy It Again, Price, Exceeded Expectations
Forest Recommends This Generac Guardian Product
Was this review helpful?
130
Chip C.
Total Reviews
5 Reviews
Total Helpful Votes
16 Helpful Votes
REVIEWED
MAY.
16
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Unit, Does The Job Quieter Than Most
We wanted a quieter power back-up option due to the close proximity of our neighbors house. This seemed to be the perfect answer. While it does power up to full output initially, it slows down after a couple minutes in three steps to 1900 rpm, which saves fuel and operates quieter (providing you have low power usage at the time). We are very pleased at the operation and convenience this unit provides.
Pros: Features, Quiet, Easy To Use, Exceeded Expectations
Cons: None
Chip Recommends This Generac Guardian Product
Was this review helpful?
130
Chris L.
Underwood, WA
Purchased from Electric Generators Direct
Purchased 11/16/16
Total Helpful Votes
11 Helpful Votes
REVIEWED
JUN.
02
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Fantatic Package Exceeded My Expectations
This package was fantastic. It included everything I needed after adding the concrete pad which I would also recommend.

The hardest part besides moving it (5 guys and metal pipe to hand carry) was the propane connection as I needed to add a second tank. Check to make sure you have a minimum or greater tank size.

First start it cranked right up and it handles my entire house including the AC without a hiccup so far. I've only had it running for a short while so far.

The interface is... more
Pros: Features, Quiet, I'd Buy It Again, Exceeded Expectations
Cons: Heavy
Chris Recommends This Generac Guardian Product
Chris's Experience With Electric Generators Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Customer service was excellent."
 more
Was this review helpful?
110
Carson S.
Union, SC
Purchased from Electric Generators Direct
Purchased 4/5/17
Total Helpful Votes
11 Helpful Votes
REVIEWED
MAY.
18
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
So Far So Good
Installation went well once i found the riight plumber for the gas line. Installation with the electrical was about $1800. Electrician and plumber were both licensed and very experienced with generators. Has been test with an outage. Electric Generators Direct answered questions sufficiently and i was pleased with my purchase.
Pros: Features, Quiet, Easy To Use, I'd Buy It Again
Carson Recommends This Generac Guardian Product
Was this review helpful?
110
Randy W.
Purchased from Electric Generators Direct
Purchased 3/27/17
REVIEWED
APR.
22
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Excellent High Tech Product
Good looking, functional product that performs as advertised.
Pros: Features, Quiet, Price, High Quality
Cons: Complex instructions
Randy Recommends This Generac Guardian Product
Was this review helpful?
90
Guy B.
Moravia, NY
Purchased from Electric Generators Direct
Purchased 3/13/17
Total Helpful Votes
12 Helpful Votes
REVIEWED
APR.
11
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Vendor Is Great
Still waiting on my local gas company and some last minute install stuff but otherwise this looks to be a very good product. My electrician said that this is one of the better units he will have installed due to the voltage regulator and 1/2 % THD.
Pros: Features, Quiet, Price, I'd Buy It Again
Cons: TBD
Guy Recommends This Generac Guardian Product
Was this review helpful?
123
Steven C.
Ormond Beach, FL
Purchased from Electric Generators Direct
Purchased 8/18/17
REVIEWED
SEP.
12
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
Awesome Generator!!!!!
I installed this for my client in LPGA, Daytona Beach, FL. I ordered an extra 200A service disconnect, and had it installed by professional electricians and had the start up done by a Generac authorized installer.

This unit is quiet, works flawlessly, plenty of power, looks nice, what more do you want. Thanks for the quick shipping, and excellent communications at Electric Generators Direct. They were very professional and personable.
Pros: Quiet, I'd Buy It Again, Exceeded Expectations, Durable
Steven Recommends This Generac Guardian Product
Was this review helpful?
30
Free Freight
  • Ships via Semi-Truck
  • Curb Side Delivery
  • Free to Lower 48 States
We currently CANNOT ship this product to Alaska, Hawaii or any destination outside of the United States
Lift Gate Services
  • Safely Lowers Products Off the Truck
  • Requires Special Hydraulic Lift
  • Free Lift Gate
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Shop for the Generac Synergy™ 20kW Variable Speed Standby Generator (200A Service Disc.+ Power Mgmt. & MobileLink™) at Electric Generators Direct. Research Generac Guardian 696471070408 standby generators air-cooled generator online. Find Generac Guardian 7040 standby generators air-cooled generator & Synergy Variable Speed 20 kw features and specifications. Get the best deal; compare Generac Guardian 7040 prices now. Buy the 7040 direct and save.