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KOHLER® 12RESL Residential Generator

Features

Automatic “Hands-Off” Operation

  • Automatic Transfer Switch
  • Reliable Power in as little as 10 Seconds
  • Fueled by your home’s existing liquid propane (LP) or natural gas (NG) line
  • Full weekly exercise warms and circulates lubricants through system and tests for any issues before the next outage (shorter slow speed exercise cycles may not be enough)

Cleaner Power For Sensitive Electronics

Cleaner power to protect sophisticated appliances & electronics including: Plasma & LCD TVs, Computers, Hi-Fi equipment, communication networks, and Uninterruptible Power Supplies.

Quieter Operation

  • Quieter 65 dBA or less during operation, similar to a typical central air conditioner
  • Sound enclosure maintains neighborhood solitude whether you are in self-test or full operation mode

Easier Service And Installation

  • KOHLER® engine includes hydraulic valve lifters for reliable performance without routine valve adjustment or lengthy break-in requirements
  • Easy connection kit provides fast and flexible installations
  • Integrated polymer pad for easier installations

More Powerful Performance

  • Up to 12,000 Watts
  • KOHLER® Command PRO® OHV CH740 engine with hydraulic valve lifters
  • Powers Essential Electrical Equipment including 4-ton central air system
  • Exclusive PowerBoost™ technology provides greater starting power
  • Peak motor-starting kVA: 32 kVA

More Sophisticated Diagnostic Self-Test

  • KOHLER® residential generators perform a 20-minute full-speed exercise cycle and self-diagnostic test each week to ensure your generator is ready to run at full operational speed.
  • Informative feedback from KOHLER’s exclusive Digital Control let you know where service may be needed.
  • Quieter operation eliminates the need for less robust exercise cycles that may not ensure performance when you need it.

Digital Controls Provide More Concise Diagnostics

  • Digital readout provides easy to understand troubleshooting information such as “OP” for low oil pressure.
  • Automatic safety shutdowns protect the generator and home.

Faster Response

Premium KOHLER® technology restores power up to 3 times faster response than competitive products—in as little as 10 seconds.

Superior 5-year Limited Warranty

Commercial-grade KOHLER® quality.

Designed By Kohler

  • KOHLER® has been setting the standard in quality generator design for more than 85 years
  • Safer Power for Sensitive Electronics
  • More Powerful Performance
  • Quieter Operation
  • Faster Response
  • More sophisticated diagnostic self-test
  • Easier Service and Installation
  • Superior five-year limited warranty included
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Power & Safety Tips

How It Works

How It Works

Specs

Rated Power (kW): 

Liquid Propane (LP) 12,000 Watts

Rated Power (kW):

Natural Gas (NG) 10,400 Watts

Voltage @ 60 Hz:

120/240V

Amps (LP) 120/240:

100 / 50

Amps (NG) 120/240:

86 / 43

Frequency:

60 Hz

Transfer Switch:

Automatic 100 Amp, NEMA 1 (indoor rated), with 12 circuit load center

Engine:

725 cc 23.6 HP KOHLER® Command Pro® OHV CH740 V-Twin, with hydraulic valve lifters

Engine Alternator RPM:

3600 / 3600

Engine Cooling:

Air

EPA/CARB Certified:

Yes

Fuel Consumption LP (cu.ft/hr.)/(gal./hr.):


81 (2.23)

Fuel Consumption NG (cu.ft/hr.):

193

Sound Output dB(A) at 23 ft. Normal operating Load:


65

Response Time:

10 Seconds

Exercise Cycle:

20 min. every 7 days (complete full speed exercise)

Automatic Safety Shutdowns:

High engine temperature, overvoltage, low battery voltage, low oil pressure, overcrank safety, over speed, under frequency

Enclosure:

Pre-painted galvanized steel for superior corrosion resistance

UL 2200:

Yes

Automatic Transfer Switch Included:

Yes

Mounting Pad Included:

Yes

Flex Fuel Line Included:

Yes

Easy Connection Kit Included:

Yes

Peak Motor Starting kVA:

32 kVA

Download the comparison sheet PDF

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