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The Generac Guardian™ 22kw aluminum home standby generator is available for purchase today.

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Generac Guardian™ 22kW Aluminum Home Standby Generator

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Generac Guardian Electric Generators and Accessories
Model: 7042
(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
1 Review
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Ships Monday, Feb 27th

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$4,197.00
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  • Features
  • Specs
  • 7
    Q&A 
  • 1
    Reviews
  • Articles
  • Shipping
  • Accessories
Grade
Airooled Standby Generators
Style
Watts
22 kW
Rated Watts
Voltage
120/240 Single-Phase
Fuel
Engine
22kW (LPG) / 19.5kW (NG) Guardian Air-Cooled Standby Generator
Protects your home and family during a power outage

*Automatic Operation Only*
Fully automatic operation when paired with Generac Smart Switch™ (Sold Separately)

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

Generac's G-Force Engine
Specifically designed for the demanding environment standby generators endure
Full pressure lubrication system w/ 2 year oil change interval

Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)
Connects to your existing LP or natural gas fuel supply

True Power™ Electrical Technology & Automatic Digital Voltage Regulation (+/- 1%)
Less than 5% Total Harmonic Distortion (THD) for utility grade power
Allows for faster response time & maximum motor starting ability

Evolution™ Digital Controller
Multilingual, 2-Line LCD display for simple, straightforward 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 enclosure protected from the elements

Compatible With Mobile Link™ Remote Monitoring (Sold Separately)
Easily monitor generator status anywhere with a smartphone, tablet, or PC

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

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

Additional Features:
Base fascia kit, 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
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Yes
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Surge Watts
22000 Watts
Rated Watts
22000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
19500 Watts
LP Power Capacity
22000 Watts
NG Fuel Consumption @ 50% Load
216 (BTU: 216,000 BTU/HR) ft³/hr
NG Fuel Consumption @ 100% Load
310 (BTU: 310,000 BTU/HR) ft³/hr
LP Fuel Consumption @ 50% Load
2.56 (BTU: 232,320 BTU/HR) gallons/hr
LP Fuel Consumption @ 100% Load
3.87 (BTU: 351,203 BTU/HR) gallons/hr
Rated Amps
91.6 @ 240 Volts (Single Phase) Amps
Decibel Rating @ 7m
67 dbA
Transfer Switch
Automatic (Not Included)
Enclosure
Aluminum
Battery
Not Included (540 CCA)
A/C Ton Rating
2 x 5-Tons
Mounting Pad
Composite (Included)
Cooling System
Air Cooled
UL Listed
Yes
Overview
Made in USA
Yes
Weight
466 Pounds
Product Length
48 Inches
Product Width
25 Inches
Product Height
29 Inches
Consumer Warranty
5 Years
Commercial Warranty
5 Years
UPC
696471070422
Model
7042
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  7 Questions
Q: I just bought 22k Generac it will be 70' from the propane tank what size flex piping should i buy?
by Dennis K. from Wisconsin on June 30, 2016

A: Below is a link to the Install Manual that will cover the pipe sizing using LP. I recommend checking with a plumber or LP company for installation of the gas line.


Generac Air Cooled Installation Guide
by Mike, Product Expert
Q: Can the air cooled unit operate in warm weather conditions and not overheat. We just had a 122 degree day and if the electricity had failed, would this generator be able to handle the load in the heat?
by Gene H. from California on June 27, 2016

A: Thank you for contacting us.

Generac Air-Cooled Standby Generators are tested in accordance to UL 2200 standards with an operating temperature of -20 ºF (-29 ºC) to 122 ºF for normal operating range

Please let us know if you have any other questions.
by Mike, Product Expert
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: What is the clearance needed on all four sides of the unit for proper operation?

by Mark C. from Connecticut on July 24, 2014

A: Page 11 of the Installation Guide shows proper installation distances according to NFPA and manufacturers recommendations. The guide is available on our site under the specs tab in the download documentation section......

Installation Guide


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
Generac Guardian 7042 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
I'd Buy It Again (1)
High Quality (1)
Price (1)
Durable (1)
Cons
Heavy (1)
1 Review  Sort by 
 
Larry B.
Pellico Plains, TN
Purchased from Electric Generators Direct
Purchased 12/13/16
Total Reviews
2 Reviews
Most Helpful Positive Review
REVIEWED
JAN.
24
2017
5 out of 55 out of 55 out of 55 out of 55 out of 5
The Company & The Product, The Best In The Market
I really liked the product. The company was very professional.
Pros: Durable, Price, High Quality, I'd Buy It Again
Cons: Heavy
Larry Recommends This Generac Guardian Product
Was this review helpful?
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Shop for the Generac Guardian™ 22kW Aluminum Home Standby Generator at Electric Generators Direct. Research Generac Guardian 696471070422 standby air-cooled generators online. Find Generac Guardian 7042 standby air-cooled generators & Guardian 2016 22kW Aluminum features and specifications. Get the best deal; compare Generac Guardian 7042 prices now. Buy the 7042 direct and save.