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Product Description
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Grade
Style
Run Watts
20,000 
Rated Watts
Voltage
120/240 Single-Phase
Fuel
Engine
Grade
Emergency
Style
Standby (Air Cooled)
Run Watts
20,000
Voltage
120/240 Single-Phase
Fuel
LP/Natural Gas
Engine
Kohler
Features
Features
- 20kW (LPG) / 18kW (NG) Air-Cooled Standby Generator
- Protects your home and family during a power outage
- Commercial-Grade Kohler Command PRO® OHV Engine
- Powerful & reliable engine design for heavy-duty applications
- Hydraulic valve lifters for eliminate routine valve adjustments
- Runs on Clean Burning Natural Gas or LPG - Simple Field Conversion
- While still maintaining emission regulations for U.S. EPA & California
- Powerful Performance w/ PowerBoost™ Technology
- Greater motor-starting ability for large electrical loads
- Fast Response Time
- Kohler® generators restore power in as little as 10 seconds
- Premium Power Quality (+/-1% Voltage Regulation)
- Protects sophisticated electronics with low distortion (<5%THD)
- New Silencer Reduces Sound Levels & Provides Quiet Operation
- Maintains neighborhood solitude - approx 69 dB(A) at 7 m (23 ft)
- RDC2 (6-Button) Digital Controller
- Glare-resistant, 2-line 16-character display - No More Codes
- Easily view ATS status via LED lights on controller
- Optional OnCue Remote Monitoring System (Sold Separately)
- Built-in Ethernet card, no hardware needed for OnCue
- Exclusive 100% Corrosion-Proof Composite Enclosure
- Will not rust - even in harsh seaside environments
- Impact-resistant down to -30° F
- Polymer Base Engineered For Easier Installation
- Fuel and electric connection through enclosure wall, no-more stub-ups
- ***Not Compatible For Off-Grid Applications***
- Approved for stationary standby applications in locations served by a reliable utility source
- Transfer Switch (Sold Separately) & Group 51 Bat. (Not Included)
- *Note - Must Be Installed At Least 5' From Structure
Specifications
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Rated Watts
20000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
18000 Watts
LP Power Capacity
20000 Watts
NG Fuel Consumption @ 50% Load
161 ft³/hr
NG Fuel Consumption @ 100% Load
281 ft³/hr
LP Fuel Consumption @ 50% Load
2.3 gallons/hr
LP Fuel Consumption @ 100% Load
3.9 gallons/hr
Rated Amps
83 Amps
Decibel Rating @ 7m
Decibel Rating @ 7m
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
69
Transfer Switch
Automatic (Not Included)
Battery
Not Included (500 CCA)
Enclosure
Composite
A/C Ton Rating
5-Tons
Mounting Pad
Composite (Included)
Cooling System
Air Cooled
UL Listed
Yes
Grade Type
Emergency
Engine
Engine Brand
Kohler
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
Overview
Weight
535 Pounds
Made in USA
Yes
Consumer Warranty
5 Years
Commercial Warranty
5 Years
Product Style
Standby Generator
Product Length
48 Inches
Product Width
26.2 Inches
Product Height
29 Inches
UPC
650531125569
Grade
Style
Run Watts
20,000
Rated Watts
Voltage
120/240 Single-Phase
Fuel
Engine
Grade
Emergency
Style
Standby (Air Cooled)
Run Watts
20,000
Voltage
120/240 Single-Phase
Fuel
LP/Natural Gas
Engine
Kohler
Features
Features
- 20kW (LPG) / 18kW (NG) Air-Cooled Standby Generator
- Protects your home and family during a power outage
- Commercial-Grade Kohler Command PRO® OHV Engine
- Powerful & reliable engine design for heavy-duty applications
- Hydraulic valve lifters for eliminate routine valve adjustments
- Runs on Clean Burning Natural Gas or LPG - Simple Field Conversion
- While still maintaining emission regulations for U.S. EPA & California
- Powerful Performance w/ PowerBoost™ Technology
- Greater motor-starting ability for large electrical loads
- Fast Response Time
- Kohler® generators restore power in as little as 10 seconds
- Premium Power Quality (+/-1% Voltage Regulation)
- Protects sophisticated electronics with low distortion (<5%THD)
- New Silencer Reduces Sound Levels & Provides Quiet Operation
- Maintains neighborhood solitude - approx 69 dB(A) at 7 m (23 ft)
- RDC2 (6-Button) Digital Controller
- Glare-resistant, 2-line 16-character display - No More Codes
- Easily view ATS status via LED lights on controller
- Optional OnCue Remote Monitoring System (Sold Separately)
- Built-in Ethernet card, no hardware needed for OnCue
- Exclusive 100% Corrosion-Proof Composite Enclosure
- Will not rust - even in harsh seaside environments
- Impact-resistant down to -30° F
- Polymer Base Engineered For Easier Installation
- Fuel and electric connection through enclosure wall, no-more stub-ups
- ***Not Compatible For Off-Grid Applications***
- Approved for stationary standby applications in locations served by a reliable utility source
- Transfer Switch (Sold Separately) & Group 51 Bat. (Not Included)
- *Note - Must Be Installed At Least 5' From Structure
Specifications
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Rated Watts
20000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
18000 Watts
LP Power Capacity
20000 Watts
NG Fuel Consumption @ 50% Load
161 ft³/hr
NG Fuel Consumption @ 100% Load
281 ft³/hr
LP Fuel Consumption @ 50% Load
2.3 gallons/hr
LP Fuel Consumption @ 100% Load
3.9 gallons/hr
Rated Amps
83 Amps
Decibel Rating @ 7m
Decibel Rating @ 7m
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
69
Transfer Switch
Automatic (Not Included)
Battery
Not Included (500 CCA)
Enclosure
Composite
A/C Ton Rating
5-Tons
Mounting Pad
Composite (Included)
Cooling System
Air Cooled
UL Listed
Yes
Grade Type
Emergency
Engine
Engine Brand
Kohler
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
Overview
Weight
535 Pounds
Made in USA
Yes
Consumer Warranty
5 Years
Commercial Warranty
5 Years
Product Style
Standby Generator
Product Length
48 Inches
Product Width
26.2 Inches
Product Height
29 Inches
UPC
650531125569
Product Specs
+−
Specifications
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Rated Watts
20000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
18000 Watts
LP Power Capacity
20000 Watts
NG Fuel Consumption @ 50% Load
161 ft³/hr
NG Fuel Consumption @ 100% Load
281 ft³/hr
LP Fuel Consumption @ 50% Load
2.3 gallons/hr
LP Fuel Consumption @ 100% Load
3.9 gallons/hr
Rated Amps
83 Amps
Decibel Rating @ 7m
Decibel Rating @ 7m
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
69
Transfer Switch
Automatic (Not Included)
Battery
Not Included (500 CCA)
Enclosure
Composite
A/C Ton Rating
5-Tons
Mounting Pad
Composite (Included)
Cooling System
Air Cooled
UL Listed
Yes
Grade Type
Emergency
Engine
Engine Brand
Kohler
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
Overview
Weight
535 Pounds
Made in USA
Yes
Consumer Warranty
5 Years
Commercial Warranty
5 Years
Product Style
Standby Generator
Product Length
48 Inches
Product Width
26.2 Inches
Product Height
29 Inches
UPC
650531125569
Product Q&A
(3)
+−
Search Product Q&A's
Answered by Jared, the Generator Expert
+−
When positioning the generator, how close to an opening in the house wall can it be?
Paul R.
from Virginia
May 10, 2018
Answer
The distance required is set by local codes and would recommend checking with a local inspector to see what distance is required. The unit itself needs to be a minimum of 3 feet from the house and in some applications, it will need to be more.
Was this answer helpful?
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What is the difference between the Kohler 20RESA and 20RESC?
Joe D.
from Ohio
April 13, 2017
Answer
The engine design on the Kohler 20RESC isn’t reverse compatible with the 20RESA, and the fuel pressure requirements are 3.5” water column on the 20RESC. Other than that…nothing.
Was this answer helpful?
Yes
0
No
0
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Can this Kohler 8kW Home Standby generator be started remotely?
Kris
from Idaho
December 22, 2016
Answer
This unit is a standby generator only and will only power up when utility power is lost. The generator cannot be manually/remotely started.
Was this answer helpful?
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