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Generac Next Generation 14 kW

Model 7259 Manufacturer

The Next Generation Generac air-cooled standby generator is the most advanced and powerful line of air-cooled standby generators, providing unparalleled peace of mind. Electronic fuel and ignition control (EFIC) produces the industry’s highest output power, better fuel economy, and lower emissions*. The new advanced controller enhances system monitoring, while the integrated cellular connectivity delivers the highest connection quality. Advanced remote diagnostics paired with the longest service intervals provide the lowest total cost of ownership.

*On average versus Generac Standby Generator, Guardian Series

Features and Benefits

  • Standard Cellular Connectivity delivers faster connections, greater reliability, and better coverage (US &CAN)
  • Electronic Fuel & Ignition Control (EFIC) improves cold starting performance, lower fuel consumption (less operating cost)*, and lower emissions*
  • New Engine Design with Maintenance Free Hydraulic Lifters enables a lower preventative maintenance cost
  • Oil Level Monitoring allows you to verify engine oil level remotely via the Mobile Link app
  • New Controller with Advanced Remote Diagnostic using the Field Pro app provides a higher-level of peace of mind with cellular connectivity, more processing power (provides 4x more diagnostic codes versus Guardian), and provides confirmation of power transfers to the home
  • New Enclosure Design includes easy to remove panels and easy access to customer connection points. The new design better matches the latest trends in home design and exterior colors, while the sloped roof reduces water, dirt, ice build up, and prevents staining.
  • Fuel Pressure Sensor helps diagnose issues with the visibility to fuel pressure when the engine is running
  • Every Generac Standby Generator comes with a 5-year limited warranty
  • 24/7/365 Customer Support Team is ready all day, every day, from our headquarters in Wisconsin to answer any questions you might have
  • Compatible with ecobee by Generac thermostats and Generac PWRcell battery systems
  • Generac generators and engines are engineered and assembled in the USA
    • Using domestic and foreign parts

Documents

Spec Sheet  ∙  Manual ∙  7 Year Warranty ∙  10 Year Warranty

Specifications

Rated maximum continuous power capacity (LP)14 kW
Rated maximum continuous power capacity (NG)14 kW
Rated voltage240
Rated maximum continuous load current – 240 Volts (LP / NG)58 / 58
Total Harmonic DistortionLess than 5%
Main line circuit breaker60 amp
Phase1
Number of rotor poles2
Rated AC frequency60 Hz
Power factor1
Battery requirement (not included)
12 volts, AGM Powersport Battery Group BTX20L 310CCA minimum
Unit weight (lb / kg)391 / 177
Dimensions (L x W x H) in / cm
46.4 x 26.3 x 30.7 / 117.9 x 66.8 x 77.9
Sound output in dB(A) at 23 ft (7 m) with generator operating at normal load65
Sound output in dB(A) at 23 ft (7 m) with generator in Quiet-Test™ low-speed exercise mode55
Exercise duration
Adjustable 5 - 20 min (5 min factory default)
Engine type
GENERAC G-Force 800 Series
Number of cylinders2
Displacement817 cc
Cylinder block
Aluminum w/ cast iron sleeve
Valve arrangementOverhead valve
Lifter typeHydraulic
Ignition systemSolid-state
Governor systemElectronic
Compression ratio9.5:1
Starter12 VDC
Oil capacity including filterApprox. 2.5 qt / 2.4 L
Operating rpm3,600
Fuel consumption Natural Gasft³/hr (m³/hr)
Natural Gas 1/2 Load189 (5.35)
Natural Gas Full Load243 (6.89)
Fuel consumption Propaneft3 /hr (gal/hr) [L/hr]
Liquid Propane 1/2 Load63 (1.76) [6.66]
Liquid Propane Full Load106 (2.92) [11.03]

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