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Kohler RESAL-SA7 - 20kW Standby Generator System (200A Service Disconnect Switch)

Quick Overview

Kohler 20kW LP / 18kW NG Air Cooled, 120/240V, 1ph, RTX 200A Outdoor service Entrance Rated ATS W/ Load Shed Kit

Availability: In stock 100000 In Stock



Kohler 20kW LP / 18kW NG Air Cooled, 120/240V, 1ph, RTX 200A Outdoor service Entrance Rated ATS W/ Load Shed Kit


Popular generators for backup power, with an automatic transfer switch included. When you lose power during an outage or storm, a hard-working 20 kW KOHLER® generator keeps your appliances working, the heat or AC running and your security system on.*

  • Reliable.
    Every KOHLER® generator is equipped with a heavy-duty, commercial-grade engine that stands up to extreme weather.
  • Powerful.
    In just 10 seconds, your KOHLER generator automatically restores power to a 5-ton (60,000 BTU) air condition, major appliances and electronics.*
  • Premium warranty.
    We've got you covered with 5-year, 2,000-hour protection, and a corrosion-proof enclosure that’s built to last.
  • Award winner.
    KOHLER generators have received several awards, including the Most Valuable Product (MVP) Award 2010 by Building Products magazine.


  • PowerBoost™ technology provides power to start large loads such as central air conditioners without dropping power to other appliances
  • Extraordinary peak motor-starting capacity: 14RESAL at 35kVA at 240V and 20RESAL at 40.5kVA at 240V
  • Premium power quality delivers exceptional digital voltage and frequency regulation along with low levels of harmonic distortion to protect sophisticated electronics
  • Powered by reliable KOHLER Command PRO® engine, designed and tested for tough commercial applications; with hydraulic valve lifters to eliminate need for lengthy break-in periods and expensive valve adjustments; operation speed is 3600 rpm (the standard for air-cooled generators)


  • Comes with either an RXT 100-amp outdoor-rated automatic transfer switch with 16-circuit load center or RXT 200-amp outdoor-rated service entrance rated automatic transfer switchwith load shed kit
  • DC2 controller designed for today's sophisticated electronics manages both the generator set and Model RXT transfer switch functions
  • Quiet, neighborhood-friendly operation with sound levels similar to a typical central air conditioner
  • Stylish corrosion-proof enclosure impact tested to -30°F
  • Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field
  • Streamlined installation, including built-in base that eliminates need for concrete mounting pad and simple terminal block for easy field connections
  • Model 14RESAL approved for off-grid applications with 18-month/1000-hour off-grid warranty

*Based on generator and load size.

Additional Information

Price $4,499.99
Voltage 120/240 V, 1Ø
Frequency 60
Rated Max Current 83 Amps @ 240 Volts (Single Phase)
Fuel Type LP/Natural Gas
NG Power Capacity 18,000 Watts
LP Power Capacity 20,000 Watts
NG Consumption 1/2 Load 161 ft³/hr (BTU: 161,000 BTU/H
NG Consumption Full Load 281 ft³/hr (BTU: 281,000 BTU/HR
LP Consumption 1/2 Load 2.3 gallons/hr (BTU: 208,725 BTU/HR)
LP Consumption Full Load 3.9 gallons/hr (BTU: 353,925 BTU/HR)
Cooling System Air Cooled
Sound output at(7 m) 69 Run (64 Test) db(A)
Enclosure Composite
Mounting Pad Composite (Included)
A/C Ton Rating 5-Tons
Transfer Switch Automatic (Included)
Transfer Switch Rating Amps 200
Transfer Switch Style Service Disconnect
ATS Service Disconnect Yes
ATS Poles 2
ATS Load Shedding Optional
Transfer Switch Circuits N/A
Battery Not Included (500 CCA - Battery Group 51)
Manufacturer Kohler
Commercial Warranty 5 Years
Consumer Warranty 5 Years
UL Listed Yes
Weight 500
Dimensions 48"L x 26.2"W x 29"H
Assembly Required Yes
Brand Kohler
Engine RPM 3600
HP/CC 999 cc
Low Oil Alert/Shutdown Yes
Consumer Engine Warranty 5 Year
Commercial Engine Warranty 5 Year

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