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Who is Generac?
Since 1959, Generac Power Systems has been designing and manufacturing backup power generators for residential, commercial and industrial applications. They have grown to be the world's largest provider of residential standby generators. Generac generators has revolutionized the commercial market with the first cost effective product line meeting the needs of small and mid-sized businesses.
Generac Guardian 22kW Home Standby Generator NG/LP Single Phase Aluminum Pre Packaged with 200 Amp Service Entrance Rated Automatic Transfer Switch | 6551
The 22 kW Guardian® Series home standby generator is the largest air-cooled home standby generator on the market. Not only does it deliver all the features and functionality customers have come to expect from the market-leading brand of home standby generators, but with an MSRP that is the lowest cost per kilowatt of any air-cooled home standby generator. Provides whole house coverage for many homes.
Lowest Cost Per Kilowatt: Homeowners can invest in a home standby air-cooled generator size that used to only be available in much more expensive, liquid-cooled models, giving them the lowest cost per kilowatt available.
Generac OHVI® Engine: Your Guardian Series generator might have to get you through days—or weeks—without utility power. Generac’s OHVI® engine, specifically designed for generator use, provides the reliability to power through the most severe outages.
True Power™ Technology: Best-in-class power quality with less than 5% total harmonic distortion means clean, smooth operation of your sensitive electronics and appliances.
Evolution™ Controller: The next generation of intuitive controllers featuring a multilingual, two-line LCD text display with color-coded, backlit buttons.
Certified for 18" Installation to the Home: Third-party certified to NFPA standards to be installed as close as 18” 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.
Easy Installation: When combined with a Generac Smart Switch, re-engineered connection points, and composite mounting pad that eliminates the need for a poured concrete base (unless specified by local codes), the Guardian Series 22 kW generator is easy to install.
Rated for Operation in Areas with Low Natural Gas Pressure: In areas with low natural gas pressure, the Guardian Series 22 kW generator can operate on natural gas pressures of only 3.5” of water column.
All-Weather Aluminum Enclosure: Our durable powder-coat finish helps make the sturdy, all-weather aluminum enclosure corrosion resistant, making it ideal for coastal, salt-air climates. It’s also able to withstand 150 mph winds.
Tool-less Fuel Conversion: Switch between natural gas and LP fuel in the field in a few seconds, without the need for any tools.
Quiet-Test™ Mode: Thanks to Quiet-Test, your Guardian Series 22 kW home standby generator runs its weekly self-test at a lower RPM for only five minutes. It’s quieter than other brands, and consumes less fuel. Choose your schedule - weekly, bi-weekly or monthly.
Mobile Link™ Compatible: Take advantage of Generac’s Mobile Link cellular remote monitoring system and check on your generator’s status using your computer, tablet or smartphone, even when you are away. Sold separately.
24/7/365 Customer Support: 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-year Limited Warranty
6551 Pre Packaged With: RTSY200A3 - Generac 200 Amp Service Entrance Rated Automatic Transfer Switch in Nema 3R (Indoor/Outdoor Rated) Enclosure with Digital Power Management Technology (DPM), Flexible Fuel Line Connector, Base Fascia Trim Kit and attached Composite Mounting Pad.
|Manufacturer||Generac Power Systems|
|Made In USA||Yes|
|Rated Watts||22kW LP/19.5kW NG|
|Rated Amps||91.6 LP/86.3 NG|
|Voltage||120/240V Single Phase|
|A/C Ton Rating||5 Ton|
|Decibel Rating||67 dbA @ 23 ft at Normal Operating Load||Features|
|Low Oil Alert||Low Oil Pressure Shutdown|
|Battery Requirement||Group 26R, 12V, 525 CCA Min, Not Included|
|Mounting Pad||Composite Attached|
|Product Weight||526 lbs|
|Dimensions (Inches)||48L x 25W x 29H||Engine|
|Engine Brand||Generac OHVI V-Twin|
|Engine Size||999 cc|
|Cast Iron Sleeve||Yes|
|Cooling System||Air Cooled||Alternator|
|Auto Voltage Regulation||Yes||Fuel|
|NG Power Capacity||19.5kW|
|LP Power Capacity||22kW|
|NG Consumption @ Full Load||281 cu.ft/hr|
|NG Consumption @ 1/2 Load||184 cu.ft/hr|
|LP Consumption @ Full Load||3.68 gal/hr|
|LP Consumption @ 1/2 Load||2.16 gal/hr||Transfer Switch|
|Transfer Switch Model||RTSY200A3|
|Transfer Switch Amps||200 Amps|
|Transfer Switch Circuits||Service Rated - Whole House|
|ATS Poles||2 Pole||Warranty Information|
|Consumer Warranty||5 Year Limited Warranty|
Posted by Jim C on 9th Nov 2014
My Mom and Dad are both in their 80's and live in the country. With the installation of the 6551 I can rest assured that they will never be without power, heat, ac and water. this is a great unit and worked perfectly upon startup. Should have installed this a lot sooner for them.
By the way, my son-in-law also has one for his home. I live in a motorhome or I would have one also.
Posted by Gatu on 9th Oct 2014
This generator work great it starts and performs perfect when power goes out and comes back on!
Posted by Morris M. on 3rd Sep 2014
After several hours of researching home generators, I found that the air cooled generac model 6551 was by far the best generator for me. It is the best buy and the nicest looking one on the market and really fits in with the landscape nicely. The warranty is great and the installation guide was easy to understand.
Posted by Charles on 28th Aug 2014
On the coast of Virginia, a storm is always a possibility so whenever the next outage comes, I'll be more than ready with this brand new Generac model 22kW w/aluminum enclosure. I have 3 A/C units in addition to the normal circuit requirements and this unit is set to run them all. Just in case, the smart switch is set up to control my A/C thermostats if one of the units needs to be shut down temporarily. Norwall has the best pricing, great customer service and the shipping time was FAST! I highly recommend Norwall for all your power needs.
Charles, Poquoson VA
Posted by Richard P. on 25th Aug 2014
Ok, so I've always wanted a whole home generator living in SE Texas. Located an installer and he said don't buy from anyone but NORWALL... So I pick up the phone and call place my order. I order on a Friday and my generator arrives the next Tuesday, I'm floored by the quick delivery. Installer shows up, has this unit installed in a matter of half a day.
This unit fires up first shot, and Ive got power through the entire house running two ac units, 5 and 3 ton units, plus my pool equip. I'm completely amazed. This unit is so quiet I cant even hear it running from inside but know the power is there...
So we are not looking forward to any major storms, but when it comes-- we are well prepared...
Norwall is awesome, buy with confidence. The only folks to deal with if your looking for a generator and this new 22kW is more than I ever thought it would be. Thanks!!!