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Generators--Residential Back-up

Kohler® Power Systems

7.0 kW/7.0 KVA Natural Gas Residential Back-up System with PowerBoost™ 1-phase 2-pole, Rotating Field Generator (29 A), Digital Regulator, and 120 V/240 V Voltage Output

ebuild Ref. No. 8.5RES_NATURALGAS_60HZ_120/240_29A_2F4
Retail Price Information
List Price Notice

Where prices are shown, they are based on the best information available to ebuild and generally refer to manufacturer's suggested retail prices. They should be used for reference only. In some instances, the list price refers to the lowest-cost version of an item that may be available in a variety of colors, finishes, sizes -- or upgraded features. Check with local distributors for actual prices.

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Features and Benefits

  • Polymer base eliminates the need for a concrete mounting pad, reducing installation time and cost
  • Fuel and electrical connections through the enclosure wall eliminate the need for stub-ups through the bottom
  • Quiet operation: 65 dB(A) at 7 m, similar to a typical vacuum cleaner
  • Sound enclosure maintains neighborhood solitude
  • Internal exhaust system with a USDA Forest Service-approved spark arrestor
  • ADC 2100 Advanced Digital Control is designed for today’s most sophisticated electronics
  • Digital electronic isochronous governor
  • Digital voltage regulator
  • LED display provides diagnostic capability
  • Simple field-conversion between natural gas and LP vapor fuels while maintaining emission certification
  • AC-powered 6-amp battery charger
  • Integral vibration isolation
  • Rodent-proof construction
  • Kohler Co. provides one-source responsibility for the generating system and accessories
  • Generator set and components are prototype-tested, factory-built, and production-tested
  • A two-year limited warranty covers all systems and components

Product Specifications

Manufacturer Model No. 8.5RES
Enclosure Type Sound
Average Sound Test Data 65 dBA @ 7 m
Voltage Output 120 V / 240 V
Standby Ratings (kW/Kva) 7 kW / 7 KVA
Standby Amps 29 A
Alternator Name PowerBoost™ 1-phase 2-pole, Rotating Field Generator
Alternator Model Number 2F4
Voltage Regulator Digital
Hertz 60 Hz
Phase 1
Engine Name Kohler CH20 4-Cycle
Engine Ignition Type Electronic
Fuel Type Natural Gas
Fuel Supply Pressure
  • 7 inH2O
  • 11 inH2O
Fuel Supply Inlet Size 1/2 in.
Fuel Supply Inlet Thread Type NPT
Recommended Gas Supply Pipe Size
  • 3/4 in. @ 8 ft
  • 3/4 in. @ 15 ft
  • 1 in. @ 30 ft
  • 1 in. @ 46 ft
  • 1 in. @ 61 ft
Rate of Consumption
  • 3.74 m3/h @ 100 %
  • 3.2 m3/h @ 75 %
  • 2.63 m3/h @ 50 %
  • 2.18 m3/h @ 25 %
Length 42 1/2 in.
Width 30 1/2 in.
Height 32 1/2 in.
Working Weight 410 lb
Meets Standards
  • USDA Forest Service-Approved
  • UL 2200 listed
  • UL listed to Canadian safety standards
  • California Air Resources Board (CARB)-certified for both LP vapor and natural gas (field-convertible)
  • Meets Environmental Protection Agency (EPA) nonstationary unit requirements
Parts Included
  • Two-year limited warranty
  • Polymer base
  • Battery Cables
  • Fuel Solenoid Valve and Secondary Regulator
  • Line Circuit Breaker
  • Oil Drain Extension with Shutoff Valve
  • Critical silencer
  • Sound Enclosure
  • 6-amp battery charger
Optional Parts/Accessories
  • Controller Relay kit, includes run relay and common fault relay
  • Battery heater
  • Gas strainer
  • Braided stainless steel flexible fuel line
  • Maintenance kit (air and oil filters)
  • General maintenance literature kit
  • Overhaul literature kit
  • Production literature kit
  • Carburetor heater, 120 VAC (recommended for reliable starting at temperatures below 0ºC [32ºF])
  • Kohler automatic transfer switch
Shipping Weight 430.00 lb.

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