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Most Recent Questions
Recent Question:
i have a generac 8kw nat. gas standby generator what is my full load btu
Recent Question:
whats the difference with the 6244 model
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Why will orange natural gas/LP gas knob not turn?
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what is the btu rating of the 20 kw 005875
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Does the transfer switch that comes with the Guardian 6551 come with PMM modules?
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i have a generac 8kw nat. gas standby generator what is my full load btu
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whats the difference with the 6244 model
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Why the generator will not start in cold weather(below 0 degrees)?
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Why will orange natural gas/LP gas knob not turn?
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What accessories go with 16kw generator?

Customer questions and answers for
Generac Power Systems 20kW-6730

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Customer questions and answers for Generac Power Systems 20kW-6730

Question

Battery Charger

How is the battery charger disconnected from Generac model 5875. So the battery can be changed safely.
State: NY - New York
Age: 55-64
asked 11 months ago
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dompos
huntington station
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Information regarding the appropriate process for disconnecting your unit’s battery from the built in battery charger can be found in your product’s owner’s manual and associated documentation. Please note that disconnecting the battery cables will prevent the generator from being able to operate. Lastly, please note that a third party charger should not be utilized on the battery while it is connected to the generator system, as the use of such products can cause irreparable damage to the generator and/or controller. If you do not have access to the manual provided with the unit, we would recommend accessing the product’s documentation online by using the unit’s model or serial number here: http://www.generac.com/service-supp.... Utilizing this method helps to ensure that you will be retrieving information specific to your particular model of our automatic standby generators.
answered 10 months ago
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GeneracPowerSystems02
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Question

What does the 20kw model weigh?

State: WV - West Virginia
Age: Over 65
asked 11 months ago
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ecl
lewisburg
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Generac’s 20kw Centurion Series automatic standby generator, model number 6258, weighs 451 pounds (204.6 kilos). Further product information can be located by referring to the unit’s spec sheet here: http://www.generac.com/Residential/....
answered 11 months ago
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GeneracPowerSystems02
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Question

What is difference between model 6244 and model 6250

State: NY - New York
Age: 45-54
asked 11 months ago
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plumbersean
bronx
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Generac’s 20kW Guardian Series Home Standby generator, model number 6250, does not come with pre-packaged with a transfer switch. However, model 6244 comes pre-packaged with a 200 amp service entrance rated Smart Switch.
answered 11 months ago
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GeneracPowerSystems02
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Question

How many gallons of LP will a typical 20kW generator require in a 24 hour period?

asked 11 months ago
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Al
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The amount of fuel consumed by a 20kw Guardian Series automatic standby generator will vary, depending on the loads that you desire to back up in the event of a utility power outage. Also, fuel consumption varies between different years and makes of particular models. In order to find the fuel consumption information specific to your model, please refer to your unit’s owner’s manual and/or installation guide. Product documentation can be accessed online by using your model or serial number for searching purposes here: http://www.generac.com/Service/Manu....
answered 11 months ago
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GeneracPowerSystems02
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Question

what does the red led light mean?

what does the red led light mean?
State: ON - Ontario
This product will backup: Business Equipment
asked 11 months ago
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caris
Watford
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When your control panel shows a red LED light, it is either recognizing that your unit is currently in the “OFF” mode, or there is an associated alarm message. We would recommend referring to your unit’s control panel to ensure that your unit is not currently experiencing an error code in association with a red LED light. If your unit is displaying an alarm message/error code, we would recommend consulting your manual for suggestions, or contacting an independent authorized service provider for diagnostic assistance. To locate an independent authorized dealer closest to you, please use your zip code for searching purposes here: http://www.generac.com/Service/Deal....
answered 11 months ago
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GeneracPowerSystems02
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Question

WHAT AWG WIRE SHOULD I USE FOR 20KW GEN006250-0 AND TRSF SW RTSY200A3?

State: WV - West Virginia
This product will backup: Other
asked 11 months ago
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Connie
Huntington
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In order to ensure that you are utilizing the proper wire for your desired configuration, we would recommend referring to either an independent authorized dealer or certified installing electrician in your area. To locate an independent authorized dealer closest to you, please use your zip code for searching purposes here: http://www.generac.com/Service/Deal....
answered 11 months ago
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GeneracPowerSystems02
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Question

Is it ok to let snow pile up around my permanent generax.

State: MA - Massachusetts
Age: Over 65
This product will backup: Furnace
asked 11 months ago
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Andy
Newburyport
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During times where snowfall is expected, we recommend ensuring that snow and/or ice is cleared off of, and away from, the enclosure. There should be no snow piles or large accumulations of snow within five feet of the unit to ensure proper air flow if the unit were needed in an outage.
answered 11 months ago
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GeneracPowerSystems02
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Question

I am planning a standby generator system for my home.

I have 400 AMP utility service split into (2) 200 amp (30) slot panels.
Each panel has a 60 amp breaker for the 2 electric heat pump furnaces in my home. I heat the house off one of the heat pump systems when we do not have guests to fill the 6 bedrooms. My question is do I need 2 disconnects or can I simply connect to one of the panels for standby power and is 20KW enough.
State: MO - Missouri
Age: 55-64
This product will backup: Furnace
asked 11 months ago
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MarkinMo
Osage Beach
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The required configuration for your generator and associated transfer switches will depend upon the loads you intend to cover, as well as the setup of your home and purchased unit. To determine the generator and transfer switch most applicable to your backup power needs, we would recommend working with an independent authorized dealer. To locate an independent authorized dealer closest to you, please use your postal code for searching purposes here: http://www.generac.com/Service/Deal....
answered 11 months ago
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GeneracPowerSystems02
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Question

installation and delivery questions

my dealer/installer is putting the 20K generator on abed of rock that is not "pea" size. Is this acceptable? My second question is shoul I be charged for shipping to the dealers/installers office or is this included in the price of the generator?
State: IN - Indiana
Age: Over 65
This product will backup: Entire Home
asked 11 months ago
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scsc949
New Albany
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As specified in the unit’s installation guide, Generac’s air-cooled automatic standby generators should be installed on a level bed of pea gravel or cement base. We do not recommend installing the unit on any pavers or brick-constructed bases. Any damage incurred to the unit due to wrongful or improper installation will void the product’s warranty. Furthermore, we would recommend contacting the dealer for inquiries regarding costs incurred, as the unit would have been purchased through that particular dealer.
answered 11 months ago
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GeneracPowerSystems02
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Question

Procedure to turn fuel conversion knob

Just received my Guardian 20kw Model 6250. The installation manual says that it might be necessary to use pliers to break free the fuel conversion valve in order to turn it. Inside the unit there is a tag attached to the fuel conversion knob that gives directions that say to push in and turn the knob. Please explain exactly how the knob should be handled - I don't want to damage/break anything.
State: GA - Georgia
Age: Over 65
This product will backup: Entire Home
asked 11 months ago
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Dennis
Warrenton
on 20kW-6730
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When adjusting the fuel conversion knob, one must push in and turn the knob until it rests on the proper fuel selected for use. Turning the knob may require utilizing a pliers for gripping purposes. If you are experiencing issues with turning this knob, please contact Generac directly at 888-GENERAC (436-3722) for assistance.
answered 11 months ago
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GeneracPowerSystems02
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Question

What is differance between mod. 5875 and mod. 6244

asked 1 year ago
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gauge640
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answer 1
While Generac’s 20kW Guardian Series automatic standby generators, model numbers 5875 and 6244, are two very similar units, they do have a few slight differences. Each of these generators feature an external main circuit breaker, natural gas or liquid propane operation capabilities, and a low oil pressure shutdown. These units also come pre-wired with a 200 Amp, Service Entrance Rated transfer switch, however, the transfer switch utilized with model number 6244 comes with an aluminum enclosure. Another key difference between these two units pertains to the control panels featured in each. Model number 5875 features the Nexus Controller, whereas model number 6244 features our updated Evolution Controller. As for the fuel pressure required for the optimal performance of the generator, model number 6244 requires 205,000 btu/hour and 3.5-7” water column when operating the unit with natural gas, and 189,000 btu/hour and 10-12” water column for liquid propane. Conversely, model number 5875 requires 206,000 btu/hour and 5-7” water column for natural gas, and 173,880 btu/hour and 10-12” water column for liquid propane use. Further information can be found here: http://www.generac.com/Service/Manu..., by using each model number to search for the unit’s owner’s manual and additional documentation.
answered 1 year ago
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GeneracPowerSystems02
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Question

does the 20kw 6244 come with a battery?

State: NY - New York
Age: 55-64
This product will backup: Entire Home
asked 1 year ago
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pt
rye brook
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answer 1
As the manufacturer, Generac Power Systems does not supply a battery with its automatic home standby generators. However,
the required battery is a Group 26R, 12V, 525 CCA minimum. When properly installed, the battery charger that is integrated into the control panel will maintain the charge on your battery. Furthermore, replacement batteries can be purchased through your local Generac certified service dealer. To locate a certified dealer, search your postal code here: http://www.generac.com/Service/Deal....
answered 1 year ago
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GeneracPowerSystems02
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Question

How to connect Generac Guardian 20kw to internet

I'm familiar with mobile link and the nexus remote controller. I'm not interested in a cellular service or the standalone wireless controller.

Is there a simpler approach to connect the unit through my wireless router to access the menu on the unit from my home computer?
State: NJ - New Jersey
Age: 55-64
This product will backup: Entire Home
asked 1 year ago
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Heatwave
Readington
on 20kW-6730
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answer 1
Other than the devices that you have alluded to, Generac’s generators do not have internet communication or monitoring capabilities. Our units utilize either a remote or cellular monitor. Currently, there are no provisions enabling customers to connect with the internet via our automatic standby generators.
answered 1 year ago
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GeneracPowerSystems02
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Question

In a large home 4000 -5000 Sq foot that has( 2) 200 amp panels...

And is fed from the utility company with a 320 amp service can a standby generator feed two 200 amp transfer switches ? Also would it be feasible for a 20 kw generator to fit the application? My house has a well
A 3 ton ,a 2 ton and a 1.5 ton hvac units , it also has an electric range and two refrigerators.
State: DE - Delaware
Age: 35-44
This product will backup: Entire Home
asked 1 year ago
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Dan D
magnolia delaware
on 20kW-6730
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answer 1
We recommend working with your local certified dealer or local certified electrician, as they will be able to determine the correct size generator and transfer switch configuration to meet your needs.
answered 1 year ago
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GeneracPowerSystems02
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Question

how soon do i need a valve adjustment on the 20KW #5875 Guardian generator

State: NJ - New Jersey
Age: 55-64
This product will backup: Entire Home
asked 1 year, 1 month ago
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tony
3 lexington ct. Whippany NJ
on 20kW-6730
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answer 1
As stated in the Owner’s Manual of the unit, Generac’s 20Kw Guardian Series Automatic Home Standby Generator, model number 5875, should have the valve clearance serviced after every 6 months of operation.
answered 1 year ago
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GeneracPowerSystems02
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Question

20Kw Guardian Series

What isolates the neutral leg from the service entrance/pole side? Can a bare ground conductor be used from the generator to the transfer switch ground?
asked 1 year, 1 month ago
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Concerned
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While the unit features a floating neutral, it will be bonded to the ground when properly connected to a Generac automatic transfer switch. Further documentation such as Wiring Diagrams, Owner’s Manuals, and Installation Guides pertaining to specific Generac product model numbers can be located by using the unit’s serial and/or model number here: http://www.generac.com/Service/Manu.... If further questions remain, we would recommend calling Generac at 888-GENERAC (436-3722), for further assistance.
answered 1 year, 1 month ago
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GeneracPowerSystems02
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Question

WHAT IS THE COST OF A 20KW

WHAT IS THE COST OF A 20 KW
State: LA - Louisiana
Age: 35-44
This product will backup: Entire Home
asked 1 year, 1 month ago
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POOLGUY
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To obtain information regarding the price of a Generac 20kW Guardian Series Home Standby Generator, we would recommend contacting your local authorized sales dealer or retailer, as pricing can differentiate amongst various sales providers.
answered 1 year, 1 month ago
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GeneracPowerSystems02
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Question

the red light is on.... what does that mean?

State: TX - Texas
Age: 55-64
This product will backup: Entire Home
asked 1 year, 1 month ago
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connie
houston
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answer 1
Connie,

Per the Generac Users Guide Page 20:

Red LED Alarm light is on when the generator is OFF or a fault is detected.

The internal display panel should give you the severest fault (if multiple faults have occurred).

Unless the generator is switched off, the red led tells you that you need to call your Generac Certified Repair person.

Good luck,

Pinky

1. Was the unit ever working properly?

These faults
State: PA - Pennsylvania
Age: 55-64
This product will backup: Entire Home
answered 1 year, 1 month ago
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Pinky
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Question

What does code 1900 indicate

Generac model 6258 running on LP
asked 1 year, 2 months ago
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Little big man
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When Generac’s 20kW Guardian Series Automatic Home Standby Generator, model 6258, flashes a code, a corresponding written description should be included on the panel’s screen. In reference to your particular alarm, code number 1900 is commonly associated with an active UNDERVOLTAGE alarm. There could be multiple causes of this issue, and we would recommend contacting a local service provider in your area to properly diagnose the problems that you have experienced with your unit. To locate an authorized service provider near you, please visit http://www.generac.com/Service/Deal....
answered 1 year, 2 months ago
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GeneracPowerSystems02
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Question

can we use a 1/2" LP fuel line for a 20kw generac?the LP tank is 17ft from the generator

State: MA - Massachusetts
asked 1 year, 2 months ago
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attagirl
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The gas line should also be sized by a Generac certified dealer or a certified plumber, based on the volume and pressure required. Proper fuel line sizing will be dependent on many factors, including the distance between the fuel source and generator and local codes. The gas line should also be sized by a Generac certified dealer or a certified plumber, based on the volume and pressure required. For the 20kW standby generator, model number 6244, the fuel volume and pressure requirements for propane are 10-12” water column, and 189,000 btu/hr at half load and 350,000 btu/hr at full load.
answered 1 year, 2 months ago
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GeneracPowerSystems02
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