Please know that wiring distances will need to pass your local codes. As these requirements can vary from one municipality to the next, we would recommend working with a certified electrician in your local area to ensure that you are utilizing a configuration that is approved by any local ordinances that may apply.
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Generac Liquid-Cooled Home Standby Generator, 25 kW (LP)/25 kW (NG), Model# RG02515ANAX

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Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
- Generac's Evolution Controller with dual line, tri-lingual LCD display
- Sturdy aluminum enclosure
- Requires RTS transfer switch (sold separately)
- Clean-burning, continuous fuel choice of natural gas to LP
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Home standby generator
Features + Benefits
- Generac's Evolution Controller with dual line, tri-lingual LCD display
- Sturdy aluminum enclosure
- Requires RTS transfer switch (sold separately)
- Clean-burning, continuous fuel choice of natural gas to LP
Key Specs
| Attribute | Specification |
|---|---|
item# | 48907 |
Brand | Generac |
Manufacturer's Warranty | 5 year limited warranty |
Ship Weight | 843.0 LB |
Voltage | 120/240 |
Rated Kilowatts LP | 25 |
Surge Kilowatts LP | 25 |
Rated Kilowatts NG | 25 |
Surge Kilowatts NG | 25 |
Max. Amps | 104 |
Fuel Type | Dual Fuel - Natural Gas and Propane |
| Attribute | Specification |
|---|---|
Engine Brand | Generac |
Engine Model | In-line |
Engine Displacement | 1,500 cc |
Enclosure Material | Aluminum |
Start Type | Automatic |
Battery Required | Yes |
Battery Included | No |
Auto Shutdown | Yes |
Product Weight | lb |
Dimensions L x W x H (in.) | 76.8 x 35.0 x 46.0 in |
Reviews
Questions & Answers
Questions
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· 11 years ago
What is involved with installing unit one hundred feet from dwelling?
What is the longest practical distance we can wire unit from, Chart with length and wire size would be helpful
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Generac· 11 years ago
Helpful?
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ProductExpert6· 11 years ago
Local codes and ordinances are different for each state. It is recommended to contact your local electrician for requirements on the installation.
Helpful?
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· 4 months ago
Do we need a gas line to the house?
1 answer-
ProductExpert6· 4 months ago
You would need connect the generator to the existing gas line to the house. Professional installation is recommended.
Helpful?
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· 5 months ago
What is the decibel strength of this model?
1 answer-
ProductExpert6· 5 months ago
The generator would have a decibel (DB) rating of 72 DBA when operating at full load and 59 DBA in low speed exercise mode.
Helpful?
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· 8 months ago
What are the base dimensions? I am replacing a older 20k Generac on a stand
1 answer-
ProductExpert6· 8 months ago
The base dimensions are 62.2" L x 30.6" W.
Helpful?
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· 2 years ago
Propane fuel?
1 answer-
ProductExpert6· 2 years ago
The generator can be run on propane or natural gas. It will come set up for natural gas, but includes a conversion kit for propane.
Helpful?
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· 4 years ago
What is the max boost pressure the engine can tolerate (without an intercooler)?
1 answer-
ProductExpert12· 3 years ago
The engine in this generator was developed for natural aspiration only and not for super- or turbo-charging. Therefore, Generac does not provide any combustion air intake boost data or recommendations. Further, modifying the combustion air system in any way both voids the factory warranty and the USEPA engine emission certification, which, if operated in the US or its territories is a violation of US law.
Helpful?
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· 5 years ago
What is the hourly liquid propane consumption at maximum output
1 answer-
ProductExpert12· 5 years ago
The propane consumption for this generator is 0.7 gallons per hour on exercise cycle, 2.9 gallons per hour at 25% load, 3.3 gallons per hour at 50% load, 4 gallons per hour at 75% load and 4.7 gallons per hour at 100% load.
Helpful?
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Anonymous· 5 years ago
what rpm does it run at?
1 answer-
ProductExpert12· 5 years ago
The engine is rated at 3600 RPM.
Helpful?
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· 6 years ago
lp gas fuel consumption in btu
1 answer-
ProductExpert5· 3 years ago
The propane consumption during exercise cycle is 60,480 BTU or 0.7 gallons/hour. At 50% load, the propane consumption is 299,880 BTU or 3.3 gallons/hour. At 100% load, the propane consumption is 433,440 BTU or 4.7 gallons/hour.
Helpful?
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Accessories We Recommend
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Warranty
Manufacturer's Warranty
5 year limited warranty
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Shipping:
Free shipping (lower 48 states) - Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Specifications
120/240
120/240
240
240
25
14
28
22
25
14
28
22
25
12
25
21
25
12
25
21
104
-
-
-
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
Kohler
Generac
Generac
In-line
CH740
-
-
1,500 cc
725 cc
997 cc
997 cc
Aluminum
Aluminum
Aluminum
Aluminum
Automatic
Automatic and Manual
Automatic
Automatic
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
-
Yes
lb
440.0000 lb
524.0000 lb
451.0000 lb
76.8 x 35.0 x 46.0 in
47.0 x 26.2 x 32.2 in
46.4 x 26.3 x 30.7 in
46.4 x 26.3 x 30.7 in
-
0 Gal
-
-
-
2.23 GPH
-
-
-
0
-
-
-
0
-
200
-
Yes
Yes
Yes
-
Yes
Yes
Yes
-
Yes
-
-
-
60
60
60
-
Yes
-
-
-
No
-
-
-
<5%
-
-
-
Yes
Yes
Yes
-
48.33
-
-
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See All Generac Home Standby Generators
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Generac Liquid-Cooled Home Standby Generator, 25 kW (LP)/25 kW (NG), Model# RG02515ANAX
Item # 48907





