The number of amps produced is dependant on the fuel used, the explaination follows:
Natural gas is 21Kw, 87.5 amps @ 240v (21,000w divided by 240v equals 87.5A)
Propane (LP) is 24Kw, 100 amps @ 240v (As Walt99ccim explained "24 Kw is a 100 amp generator. 24Kw =24,000 watts divided by 240 volts = 100 amps" @ 240v).
The reason for the "@240v" is that residential service is normally 120v + 120v (equalling 240v combined) and each of the 120v sides has either 87.5A or 100A depending on which fuel is available.
Generac Guardian Series Home Standby Generator, 24kW (LP)/21kW (NG), 200 Amp Transfer Switch, Aluminum Enclosure, Model# 7210

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- True Power™ technology delivers superior power quality with less than 5% total harmonic distortion
- Generac G-Force engine requires less maintenance
- Quiet-Test™ self-test mode is quieter and uses less fuel
- Tough, durable all-weather, corrosion-resistant aluminum enclosure
- Pre-attached composite mounting pad
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Home standby generator (1) 200 Amp transfer switch
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Features + Benefits
- True Power™ technology delivers superior power quality with less than 5% total harmonic distortion
- Generac G-Force engine requires less maintenance
- Quiet-Test™ self-test mode is quieter and uses less fuel
- Tough, durable all-weather, corrosion-resistant aluminum enclosure
- Pre-attached composite mounting pad
- Smart, user-friendly Generac Evolution™ Controller features a dual-line multilingual LCD display
- Includes Mobile Link™ remote monitoring for checking the status of your generator from anywhere in the world using your smartphone, tablet or PC for free
- 24/7/365 Customer Support Team
Key Specs
| Attribute | Specification |
|---|---|
item# | 102681 |
Brand | Generac |
Manufacturer's Warranty | 5 year limited warranty |
Ship Weight | 549.0 LB |
Voltage | 120/240 |
Rated Kilowatts LP | 24 |
Surge Kilowatts LP | 24 |
Rated Kilowatts NG | 21 |
Surge Kilowatts NG | 21 |
Max. Amps | 100 |
Fuel Type | Dual Fuel - Natural Gas and Propane |
| Attribute | Specification |
|---|---|
Engine Brand | Generac |
Engine Model | G-force |
Engine Displacement | 999 cc |
Enclosure Material | Aluminum |
Start Type | Automatic |
Battery Required | Yes |
Battery Included | No |
Transfer Switch Amps | 200 |
Auto Shutdown | Yes |
Product Weight | 553.0000 lb |
Dimensions L x W x H (in.) | 48.0 x 25.0 x in |
Reviews
Questions & Answers
Questions
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· 4 years ago
How many amps is 24 KW?
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Muffin Man 123· 4 years ago
Helpful?
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ProductExpert12· 4 years ago
This 24 kW generator is rated for 100 amps.
Helpful?
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Walt99ccim· 4 years ago
24 Kw is a 100 amp generator. 24Kw =24,000 watts divided by 240 volts = 100 amps.
Helpful?
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· 4 years ago
Do you need to have your electrical panel upgraded to handle the 200amps?
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ProductExpert6· 4 years ago
You would not need to have your electrical panel upgraded to 200 amps. The 200 amp transfer switch can be used on a 100 amp electrical panel.
Helpful?
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Muffin Man 123· 4 years ago
No, your home electrical panel needs to be rated for 100 amp service, the switch gear is rated for 200A, but this particular generator is only capable of producing 100A on propane and 87.5A on natural gas, but if you want you can always have your residential service upgraded to 200A.
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· 4 years ago
What is the horsepower and what is the consumption using natural gas?
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ProductExpert5· 4 years ago
The generator would have an approximate 34 horsepower engine. At full load, it would use 203 cubic feet per hour of natural gas
Helpful?
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ProductExpert6· 4 years ago
The generator would have an approximate 34 horsepower engine. At full load it would us 203 cubic feet per hour of natural gas.
Helpful?
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· 4 years ago
what is the transfer switch for
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2k3Mach· 4 years ago
Disconnects electric line power from power company and allows generator power to power the house/business and keeps people working on electrical lines when power is out from being electrocuted.
Helpful?
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ProductExpert13· 4 years ago
Transfer switches are devices that allow the safe connection or disconnection of different sources of electricity to an electric load.
Helpful?
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· 5 days ago
Is this water cooled or air
1 answer-
ProductExpert5· 4 days ago
This unit is air cooled.
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· 8 days ago
What is the required propane line diameter over 100 feet?
1 answer-
ProductExpert11· 5 days ago
It is recommended to use 1" gas line when installing the generator with 40-175 feet of gas line. Under 40 feet it will require 3/4" gas line. From 175-550 feet it will require 1.25" gas line.
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· 5 months ago
What lifters are in this motor
1 answer-
ProductExpert6· 5 months ago
The generator would have hydraulic lifters.
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· 5 months ago
Is the transfer switch also a surge protector.
1 answer-
ProductExpert6· 5 months ago
The surge protector is included with this unit.
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· 7 months ago
What size pipe should be used for a 75-100’ run for NG?
1 answer-
ProductExpert6· 7 months ago
You would want to use 1" to 1 1/4" diameter pipe to ensure proper fuel pressure and flow.
Helpful?
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· 9 months ago
Does the unit have WiFi provided to use with my cell t
1 answer-
ProductExpert30· 9 months ago
This generator is Wi-Fi-enabled allowing remote monitoring via the Mobile Link app for performance and alerts.
Helpful?
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Warranty
Manufacturer's Warranty
5 year limited warranty
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Specifications
120/240
120/240
120/208
120/240
24
26
30
36
24
26
30
36
21
-
30
36
21
-
30
36
100
200
104
108
Dual Fuel - Natural Gas and Propane
Dual Fuel - Natural Gas and Propane
Dual Fuel - Natural Gas and Propane
Dual Fuel - Natural Gas and Propane
Generac
Generac
Cummins
Cummins
G-force
G-force
QSJ2.4
QSJ2.4
999 cc
999 cc
2,400 cc
2,400 cc
Aluminum
Aluminum
Aluminum
Aluminum
Automatic
Automatic
Automatic and Manual
Automatic and Manual
Yes
Yes
Yes
Yes
No
No
No
No
200
200
-
-
Yes
Yes
Yes
Yes
553.0000 lb
518.0000 lb
1231.0000 lb
1294.0000 lb
48.0 x 25.0 x in
25.1 x 48.5 x in
94.0 x 34.0 x 45.5 in
94.0 x 34.0 x 45.5 in
-
10
-
-
-
Yes
Yes
Yes
-
Yes
Yes
Yes
-
Yes
Yes
Yes
-
60
60
60
-
Yes
-
-
-
Less Than 5%
<5%
<5%
-
Yes
-
-
-
-
65 dB
67 dB
-
-
Liquid
Liquid
See All Home Standby Generators
See All Generac Home Standby Generators
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Generac Guardian Series Home Standby Generator, 24kW (LP)/21kW (NG), 200 Amp Transfer Switch, Aluminum Enclosure, Model# 7210
Item # 102681
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