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Standby Generation: (Generac QuietSource 27kW) NG/LP Alum 1Ph

…Aluminum Housing, Operates @ 1800 RPM

This standby generator is best suited for: 1)large to extra-large homes (our recommendation is square footage 5600 to 7400); 2)small to medium-sized home-based or similar businesses (that work on single-phase power).

QuietSource standby generation units boast 1800 rpm operation - half the speed of most generators - yet they sacrifice nothing in terms of output. These traits make QuietSource standby generation models ideal for your residential backup applications. QuietSource standby generation line uses Generac's no-rust aluminum exterior; covered in a subtle grey, this housing should retain its pristine appearance for longer than typical steel generator housing. With the 27 kW model (25 kW on NG), there will not be many load limitations in a residential setting (however it isn't a whole-house standby generation unit in recommended application; whole-house coverage, for this machine, will be up to 2200 square feet or so). Model is shipped ready to utilize natural gas as its fuel source, but, for those wanting propane operation, the changeover can be accomplished on the ground, without a technician. You will need transfer equipment to use this QuietSource standby generation product - and going with Generac single-phase RTS-series switch can make setup simpler, due to compatibility with generator's Nexus tri-lingual controller (see Switch Options tab below). This standby
generation product CARB/SCAQMD approved, available to residents all 50 U.S. states.

  • Important: Please see the shipping tab for information regarding the liftgate shipping option and residential versus commercial deliveries.

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    Model:  QT02724-1
    Price:  $10,489.00
    Available Options:
    Residential Shipment?:

    Model Specs

    Manufacturer: Generac QuietSource
    Model #: QT02724A
    Color: Grey
    Enclosure: Aluminum
    Engine Make: Generac
    Transfer Switch Included?: No
    Price: $10,489.00

    Rated Power (Natural Gas): 25 kW
    Rated Power (Liquid Propane): 27 kW
    Phase: 1
    Frequency: 60 Hz
    Voltage: 120/240
    Rated Amps: 104(NG)/112(LP)
    Rotor Poles: NA
    Mainline Circuit Breaker: 125

    Engine Type: Inline 4-Cylinder
    Intake Method: Carburetor
    Cylinder Block: NA
    HP/L: NA/2.4
    Number of Cylinders: 4
    Compression Ratio: 8.5:1
    Lubrication Method: Pressurized
    Valve Arrangement: Overhead
    Engine Cooling: Liquid
    Engine rpm: 1800
    Fan Type: Belt Driven
    Governor System: Electronic
    Ignition System: Electronic
    Starter Voltage (DC): 12
    Battery Required (Volts/Cold-Cranking Amps): 12/525 (Included)
    Startup Delay (After Power Interruption): Programmable
    Engine Warm-Up Duration: 5 Seconds
    Engine Cool-Down Period: 1 Minute
    Fuel Type: Natural Gas(NG)/Liquid Propane(LP)
    Fuel Consumption (NG @ Exercise): 42 Cubic Feet/Hour
    Fuel Consumption (NG @ 25% Load): 108 Cubic Feet/Hour
    Fuel Consumption (NG @ 50% Load): 197 Cubic Feet/Hour
    Fuel Consumption (NG @ 75% Load): 287 Cubic Feet/Hour
    Fuel Consumption (NG @ Full Load): 359 Cubic Feet/Hour
    Fuel Consumption (LP @ Exercise): .44 Gallons/Hour
    Fuel Consumption (LP @ 25% Load): 1.2 Gallons/Hour
    Fuel Consumption (LP @ 50% Load): 2.1 Gallons/Hour
    Fuel Consumption (LP @ 75% Load): 3.1 Gallons/Hour
    Fuel Consumption (LP @ Full Load): 3.9 Gallons/Hour

    Convenience Features
    Automatic Voltage Regulation: Yes
    Low-Voltage Shutdown: Yes
    High-Voltage Shutdown: Yes
    Low-Oil Shutdown: Yes
    Overspeed Shutdown: Yes
    High-Temperature Shutdown: Yes
    Starter-Overcrank Protection: Yes
    Low-Battery Protection: Yes
    Built-In Battery Charging Capability: Yes
    UL Listed: Yes
    External-Fault Capability: Yes
    Internal-Fault Protection: Yes
    Incorrect-Wiring Protection: Yes
    Mainline Circuit-Breaker Protection: Yes
    Safety Fusing: Yes

    Weight: 1255 lbs
    Dimensions (Inches): 62.19L x 27.88W x 33.5H
    Decibels (@ Exercise - 7 Meters): 62
    Decibels (@ Full Load - 7 Meters): 75
    Compliance: 50-State US

    Additional Features
    Fully programmable start delay (from 10 - 30 seconds)
    Requires Generac transfer switch for connection to home/building circuits
    Liquid-cooled powerplant employs generator-specific technology
    Will run on liquid propane vapor or natural gas
    Oil-fill cap, battery, spark plugs easy to access
    Failure-to-transfer protection built-in
    2-line LCD display easy to follow, understand


  • 2-year manufacturer's limited warranty

  • Shipping

    The T-REX Free Shipping Pledge:
    The manufacturers we work with are large concerns that ship multiple items each day. This enables them to attain the best shipping rates available. T-REX passes these savings on to our customers by providing free shipping to any commercial or residential address in the continental United States. This is the T-REX pledge. We will adhere to it even when a freight carrier adds one-time or unanticipated shipping fees. Try obtaining these terms from another Internet-based generator seller. You will not find a more customer-friendly policy than ours.

    About Lift Gates:
    Typical delivery trucks are designed to be unloaded at docks, or by forklifts. In other words, they are designed to deliver to commercial locations where such options are available. By contrast, a lift gate-equipped truck lowers heavy items from the truck trailer (which can be several feet high) to the ground, using a hydraulic mechanism similar to an elevator. If your delivery will go to an address not equipped with a loading dock, and you don't have access to a forklift, then selecting the lift-gate delivery option is a convenient alternative.

    A generator from T-REX can weigh hundreds of pounds. Without access to a loading dock or forklift, unloading one safely may require several able-bodied individuals. Delivery drivers are NOT required by their companies to help customers unload. Unless you are certain that a sufficient number of helpers will be available during the delivery, we urge you to specify the lift-gate shipping option before checking out. Charge for the lift-gate is $75.00, and is NOT included in the Free-Shipping Pledge offered by T-REX. We feel, however, that it is worth the investment.

    Residential Delivery:
    You need to inform us if your delivery will be going to a residential address. Freight companies need to know this because many residential areas can't be serviced by large semi trucks. The generator will instead be loaded onto a smaller truck tailored to home deliveries. A home which serves as a place of business (regardless of the presence of company name/signage), if located in a residential area, is still considered a residential address for shipping purposes. Please select the residential delivery option if applicable. T-REX agrees to pay all additional residential delivery costs, but to do so, we must be properly informed before shipping arrangements are made.

    To select your choice of residential or commercial delivery, please see the purchase options in the Add To Cart area.


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    T-Rex Generators distributes products from many different standby and portable generator manufacturers at substantially discounted prices. These represented companies include: Asco automatic transfer switches, Briggs & Stratton generators, Winco generators, Generac Generators, GenTran transfer switches, Reliance Controls Transfer Switches, and Zenith automatic transfer switches. T-Rex also carries Honda powered generators which have the same time-tested Honda engines as the substantially more expensive Honda generator brand units.