Generac 10/14/18kW Guardian
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- Generac 10/14/18kW Guardian
Generac 10/14/18kW Guardian
Includes
- TruePower™ Electrical Technology Two-line multilingual
- digital LCD Evolution™ controller (English/Spanish/French/Portuguese)
- Two transfer switch options available: 100 amp 16 circuit switch or 200 amp service rated smart switch
- Electronic governor
- Standard Wi-Fi® connectivity
- System status & maintenance interval LED indicators
- Sound attenuated enclosure
- Flexible fuel line connector
- Natural gas or LP gas operation
- 5 Year limited warranty
- Listed and labeled by the Southwest Research Institute allowing installation as close as 18 in (457 mm) to a structure.
Must be located away from doors, windows, and fresh air intakes and in accordance with local codes.
View official installation document
Features
- INNOVATIVEENGINE DESIGN & RIGOROUS TESTING are at the heart o f Generac’s success in providing the most reliable generators possible. Generac’s GForce engine lineup offers added peace of mind and reliability for when you need i t the most. The G-Force series engines are purpose built and designed to handle th e rigors of extended run times in high temperatures and extreme operating conditions.
- TRUE POWER™ ELECTRICAL TECHNOLOGY: Superior harmonics and sine wav e form produce less than 5% Total Harmonic Distortion for utility quality power. Thi s allows confident operation of sensitive electronic equipment and micro-chip base d appliances,such as variable speed HVACsystems.
- TEST CRITERIA
- PROTOTYPE TESTED
- SYSTEM TORSIONALTESTED
- NEMA MG1-22 EVALUATION
- MOTOR STARTING ABILITY
- MOBILE LINK® WI-FI CONNECTIVITY: FREE with select Guardian Series hom e standby generators, Mobile Link Wi-Fi allows users to monitor the status of th e generator from anywhere in the world using a smartphone, tablet, or PC. Easil y access information such as the current operating status and maintenance alerts. Users can connect an account to an authorized service dealer for fast, friendly, an d proactive service. With Mobile Link, users are taken care of before the next powe r outage.
- SOLID-STATE, FREQUENCY COMPENSATED VOLTAGE REGULATION: This state-ofthe-art power maximizing regulation system is standard on all Genera c models. It provides optimized FAST RESPONSE to changing load conditions an d MAXIMUM MOTOR STARTING CAPABILITY by electronically torque-matching th e surge loads to the engine. Digital voltage regulation at ±1%.
- SINGLE SOURCE SERVICE RESPONSE from Generac’s extensive dealer networ k provides parts and service know-how for the entire unit, from the engine to th e smallest electronic component.
- GENERAC TRANSFER SWITCHES: Long life and reliability are synonymous wit h GENERAC POWER SYSTEMS. One reason for this confidence is the GENERA C product line is offered with its own transfer systems and controls for total syste m compatibility.
Standby Power Rating Select:
Note: CETL or CUL certification only applies to unbundled units and units packaged with limited circuit switches. Units packaged with the Smart Switch are ETL or UL certified in the USA only.


Engine / Details
Generac G-Force design | Maximizes engine “breathing” for increased fuel efficiency. Plateau honed cylinder walls and plasma moly rings help the engine run cooler, reducing oil consumption and resulting in longer engine life. |
“Spiny-lok” cast iron cylinder walls | Rigid construction and added durability provide long engine life. |
Electronic ignition / spark advance | These features combine to assure smooth, quick starting every time. |
Full pressure lubrication system | Pressurized lubrication to all vital bearings means better performance, less maintenance, and longer engine life. Now featuring up to a 2 year / 200 hour oil change interval. |
Low oil pressure shutdown system | Shutdown protection prevents catastrophic engine damage due to low oil. |
High temperature shutdown | Prevents damage due to overheating. |
Generator / Details
Revolving field | Allows for a smaller, lightweight unit that operates 25% more efficiently than a revolving armature generator. |
Skewed stator | Produces a smooth output waveform for compatibility with electronic equipment. |
Displaced phase excitation | Maximizes motor starting capability. |
Automatic voltage regulation | Regulating output voltage to ±1% prevents damaging voltage spikes. |
UL 2200 listed | For your safety. |
Transfer Switch (if applicable)
Fully automatic | Transfers vital electrical loads to the energized source of power. |
NEMA 3R | Can be installed inside or outside for maximum flexibility. |
Remote mounting | Mounts near an existing distribution panel for simple, low-cost installation. |
Evolution™ Controls
AUTO / MANUAL / OFF illuminated buttons | Select the operating mode and provide easy, at-a-glance status indication in any condition. |
Two-line multilingual LCD | Provides homeowners easily visible logs of history, maintenance, and events up to 50 occurrences. |
Sealed, raised buttons | Smooth, weather-resistant user interface for programming and operations. |
Utility voltage sensing | Constantly monitors utility voltage, setpoints 65% dropout, 80% pick-up of standard voltage. |
Generator voltage sensing | Constantly monitors generator voltage to verify the cleanest power is delivered to the home. |
Utility interrupt delay | Prevents nuisance startups of the engine, adjustable 2–1500 seconds (default 5 seconds) by a qualified dealer. |
Engine warm-up | Verifies engine is ready to assume the load. Setpoint approximately 5 seconds. |
Engine cool-down | Allows engine to cool prior to shutdown. Setpoint approximately 1 minute. |
Programmable exercise | Operates engine to prevent oil seal drying and damage between outages by running the generator for 5 minutes every other week. Weekly or monthly options available for flexibility and lower fuel costs. |
Smart battery charger | Delivers charge to the battery only when needed at varying rates depending on temperature. Compatible with lead acid and AGM-style batteries. |
Main line circuit breaker | Protects generator from overload. |
Electronic governor | Maintains constant 60 Hz frequency. |
Unit / Details
SAE weather protective enclosure | Sound-attenuated enclosures ensure quiet operation and protection against mother nature, withstanding winds up to 150 mph (241 km/h). Hinged key-locking roof panel for security. Lift-out front for easy access to all routine maintenance items. Electrostatically applied textured epoxy paint adds durability. |
Enclosed critical grade muffler | Quiet, critical grade muffler is mounted inside the unit to prevent injuries. |
Small, compact, attractive | Makes for an easy, eye-appealing installation, as close as 18 in (457 mm) away from a structure. |
Installation System
14 in (35.6 cm) flexible fuel line connector | Listed ANSI Z21.75/CSA 6.27 outdoor appliance connector for the required connection to the gas supply piping. |
Integral sediment trap | Meets IFGC and NFPA 54 installation requirements. |
Connectivity
Ability to view generator status | Monitor your generator with a smartphone, tablet, or computer anytime via the Mobile Link application for complete peace of mind. |
Ability to view generator Exercise/Run and Total Hours | Review the generator's complete protection profile for exercise and total operating hours. |
Ability to view generator maintenance information | Provides maintenance details and reminders specific to your generator model when service is due. |
Monthly report with previous month’s activity | Detailed monthly reports provide a record of generator performance and history. |
Ability to view generator battery information | Built-in battery diagnostics display the current state of the battery for proactive maintenance. |
Weather information | Displays detailed local ambient weather conditions for the generator location. |
Generator
Model | G007171-0, G007172-0 (10 kW) | G007223-0, G007224-0, G007225-0 (14 kW) | G007226-0, G007228-0 (18 kW) |
---|---|---|---|
Rated maximum continuous power capacity (LP) | 10,000 Watts* | 14,000 Watts* | 18,000 Watts* |
Rated maximum continuous power capacity (NG) | 9,000 Watts* | 14,000 Watts* | 17,000 Watts* |
Rated voltage | 240 | ||
Rated maximum continuous load current – 240 volts (LP/NG) | 41.7 / 37.5 | 58.3 / 58.3 | 75.0 / 70.8 |
Total Harmonic Distortion | Less than 5% | ||
Main line circuit breaker | 45 Amp | 60 Amp | 80 Amp |
Phase | 1 | ||
Number of rotor poles | 2 | ||
Rated AC frequency | 60 Hz | ||
Power factor | 1.0 | ||
Battery requirement (not included) | 12 Volts, Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum | ||
Unit weight (lb/kg) | 338 / 153 | 385 / 175 | 420 / 191 |
Dimensions (L × W × H) in / cm | 48 × 25 × 29 / 121.9 × 63.5 × 73.7 | ||
Sound output in dB(A) at 23 ft (7 m) with generator operating at normal load** | 61 | 65 | 65 |
Sound output in dB(A) at 23 ft (7 m) with generator in Quiet-Test™ low-speed exercise mode** | 57 | 55 | 55 |
Exercise duration | 5 min |
Engine
Engine type | GENERAC G-Force 400 Series | GENERAC G-Force 800 Series |
---|---|---|
Number of cylinders | 1 | 2 |
Displacement | 460 cc | 816 cc |
Cylinder block | Aluminum w/ cast iron sleeve | |
Valve arrangement | Overhead valve | |
Lifter type | Solid | Hydraulic |
Ignition system | Solid-state w/ magneto | |
Governor system | Electronic | |
Compression ratio | 9.5:1 | |
Starter | 12 VDC | |
Oil capacity including filter | Approx. 1.1 qt / 1.0 L | Approx. 2.2 qt / 2.1 L |
Operating rpm | 3,600 | |
Fuel consumption | ||
Natural Gas | 101 (2.86) / 127 (3.60) | 195 (5.52) / 256 (7.25) |
Liquid Propane | 36 (0.97) / 54 (1.48) | 65 (1.81) / 112 (3.07) |
3.66 / 5.62 | 6.87 / 11.61 | |
Note: Fuel pipe must be sized for full load. Required fuel pressure to generator fuel inlet at all load ranges – 3.5–7.0 in water column (0.87–1.74 kPa) for NG, 10–12 in water column (2.49–2.99 kPa) for LP gas. For BTU content, multiply ft³/hr x 2,500 (LP) or ft³/hr x 1,000 (NG). For Megajoule content, multiply m³/hr x 93.15 (LP) or m³/hr x 37.25 (NG). |
Controls
Two-line plain text multilingual LCD | Simple user interface for ease of operation. |
Mode buttons: AUTO | Automatic start on utility failure. Weekly, Bi-Weekly, or Monthly selectable exerciser. |
MANUAL | Start with starter control, unit stays on. If utility fails, transfer to load takes place. |
OFF | Stops unit. Power is removed. Control and charger still operate. |
Ready to Run/Maintenance messages | Standard |
Engine run hours indication | Standard |
Programmable start delay between 2–1500 seconds | Standard (programmable by dealer only) |
Utility voltage loss/Return to utility adjustable (brownout setting) | From 140-171 V / 190-216 V |
Future set capable exerciser/Exercise set error warning | Standard |
Run/Alarm/Maintenance logs | 50 events each |
Engine start sequence | Cyclic cranking: 16 sec on, 7 sec rest (90 sec maximum duration). |
Starter lock-out | Starter cannot re-engage until 5 sec after engine has stopped. |
Smart Battery Charger | Standard |
Charger Fault/Missing AC Warning | Standard |
Low Battery/Battery Problem Protection and Battery Condition Indication | Standard |
Automatic Voltage Regulation with Over and Under Voltage Protection | Standard |
Under-Frequency/Overload/Stepper Overcurrent Protection | Standard |
Safety Fused/Fuse Problem Protection | Standard |
Automatic Low Oil Pressure/High Oil Temperature Shutdown | Standard |
Overcrank/Overspeed (@ 72 Hz)/rpm Sense Loss Shutdown | Standard |
High Engine Temperature Shutdown | Standard |
Internal Fault/Incorrect Wiring Protection | Standard |
Common External Fault Capability | Standard |
Field Upgradable Firmware | Standard |
Rating definitions – Optional Standby: Applicable for supplying backup power for the duration of the utility power outage with correct maintenance performed. No overload capability is available for this rating. (All ratings in accordance with BS5514, ISO3046, UL2200, and DIN6271). * Maximum kilovolt amps and current are subject to and limited by such factors as fuel BTU/Megajoule content, ambient temperature, altitude, engine power and condition, etc. Maximum power decreases approximately 3.5% for each 1,000 ft (304.8 m) above sea level and approximately 1% for each 10 °F (6 °C) above 60 °F (16 °C). **Sound levels are taken from the front of the generator. Sound levels taken from other sides of the generator may be higher depending on installation parameters. |
Limited Circuits Switch Features
- 16space, 24 circuit. Breakers not included.
- Electrically operated, mechanically-heldcontacts for fast, positive connections.
- Rated for all classes of load, 100% equipment rated, both inductive and resistive.
- 2-pole, 250 VAC contactors.
- 30 millisecond transfer time
- Dual coil design.
- Rated for both copper and aluminum conductors.
- Main contacts are silver plated or silver alloy to resist welding and sticking.
- NEMA/UL 3R aluminum outdoor enclosure allows for indoor or outdoor mounting flexibility.
- Multi listed for use with 1 in standard, tandem, GFCI, and AFCI breakers from Siemens, Murray, Eaton, and Square D for the most flexible and cost effective install.

Controller Specifications
Model | G007172-0 (10 kW) | G007224-0 (14 kW) |
---|---|---|
No. of poles | 2 | |
Current rating (amps) | 100 | |
Voltage rating (VAC) | 120 / 240, 1Ø | |
Utility voltage monitor (fixed)* | 80% | |
–Pick-up | 80% | |
–Dropout | 65% | |
Return to utility* | Approx. 15 sec | |
Exercise bi-weekly for 5 minutes* | Standard | |
ETL or UL listed | Standard | |
Total circuits available | 24 | |
Tandem breaker capabilities | 8 tandems | |
Circuit breaker protected | Yes | |
Available RMS Symmetrical Fault Current @ 250 Volts | 10,000 | |
* Function of Evolution controller Exercise can be set to weekly or monthly |
Dimensions
Height | Width | Depth | |||
---|---|---|---|---|---|
H1 | H2 | W1 | W2 | ||
in | 26.75 | 30.1 | 10.5 | 13.5 | 6.91 |
cm | 67.94 | 76.45 | 26.67 | 34.18 | 17.54 |
Wire Ranges | ||
---|---|---|
Conductor Lug | Neutral Lug | Ground Lug |
2/0 – #14 | 2/0 – #14 | 2/0 – #14 |


Service Rated Smart Switch Features
- Includes Smart A/C Management (SACM) module standar
- Intelligently manages up to four air conditionerloads with no additional hardware.
- Up to eight large (240 VAC) loads can be managed with Smart Management Modules (SMMs)
- Electrically operated, mechanically-held contacts for fast, clean connections. Rated for all classes of load, 100% equipment rated, both inductive and resistive.
- 2-pole, 250 VAC contactors.
- Service equipment rated, dual coil design.
- Rated for both aluminum and copper conductors.
- Main contacts are silver plated or silver alloy to resist welding and sticking. NEMA/UL 3R aluminum outdoor enclosure allows for indoor or outdoor mounting flexibility.
Controller Specifications
Model | G007225-0 (14 kW) | G007228-0 (18 kW) |
---|---|---|
No. of poles | 2 | |
Current rating (amps) | 200 | |
Voltage rating (VAC) | 120 / 240, 1Ø | |
Utility voltage monitor (fixed)* | 80% | |
–Pick-up | 80% | |
–Dropout | 65% | |
Return to utility* | 15 sec | |
Exercise bi-weekly for 5 minutes* | Standard | |
ETL or UL Listed | Standard | |
Enclosure type | NEMA/UL 3R | |
Circuit breaker protected | 22,000 | |
Lug range | 250 MCM – #6 | |
* Function of Evolution Controller Exercise can be set to weekly or monthly |
Dimensions
200 Amps 120/240, 1Ø Open Transition Service Rated |
|||||
---|---|---|---|---|---|
Height | Width | Depth | |||
H1 | H2 | W1 | W2 | ||
in | 26.75 | 30.1 | 10.5 | 13.5 | 6.3 |
cm | 67.94 | 76.45 | 26.67 | 34.3 | 16.01 |
Wire Ranges | ||
---|---|---|
Conductor Lug | Neutral Lug | Ground Lug |
400 MCM – #4 | 350 MCM – #6 | 2/0 – #14 |

Accessories
Model # | Product | Description |
---|---|---|
G005819-0 | 26R Wet Cell Battery | Every standby generator requires a battery to start the system. Generac offers the recommended 26R wet cell battery for use with all air-cooled standby product (excluding PowerPact®). |
G007101-0 | Battery Pad Warmer | The pad warmer sits under the battery. Recommended for use if the temperature regularly falls below 0°F (-18°C). (Not necessary for use with AGM-style batteries.) |
G007102-0 | Oil Warmer | Oil warmer slips directly over the oil filter. Recommended for use if the temperature regularly falls below 0°F (-18°C). |
G007103-0 G005621-0 |
Breather Warmer | The breather warmer is for use in extreme cold weather applications. For use with Evolution controllers only. (Not necessary for use with PowerPact® models.) |
G007004-0 | Auxiliary Transfer Switch Contact Kit | The auxiliary transfer switch contact kit allows the transfer switch to lock out a single large electrical load you may not need. Not compatible with 50A and 100A pre-wired switches. |
G007005-0 | Fascia Base Wrap Kit | The fascia base wrap snaps together around the bottom of the new air-cooled generators. This offers a sleek, contoured appearance as well as offering protection from rodents and insects by covering the lifting holes located in the base. |
G007007-0 – Bisque | Touch-Up Paint Kit | If the generator enclosure is scratched or damaged, it is important to touch up the paint to protect from future corrosion. The touch-up paint kit includes the necessary paint to correctly maintain or touch up a generator's finish. |
G007006-0 – Bisque G006664-0 – 10 kW G006172-0 – 14 / 18 kW |
Scheduled Maintenance Kit | Generac’s scheduled maintenance kits provide all the items necessary to perform complete routine maintenance on a Generac automatic standby generator (battery not included). |
G007005-0 | Wi-Fi LP Fuel Level Monitor | The Wi-Fi enabled LP fuel level monitor provides constant monitoring of the connected LP fuel tank. Monitoring the LP tank’s fuel level is an important step in verifying the generator is ready to run during an unexpected power outage. Smart devices are available through a free application to notify users when the LP tank is in need of a refill. |
G007005-0 (50 amps) G007006-0 (100 amps) G007016-0 (4G LTE) |
Smart Management Module | Smart Management Modules (SMMs) are used to optimize the performance of a standby generator. It manages a single large electrical load startup and sheds them to aid in recovery when overloaded. In many cases, using SMMs can reduce the overall size and cost of the system. |
G007007-0 (Wi-Fi/Ethernet) | Mobile Link® Cellular Accessories | The Mobile Link family of Cellular Accessories allows users to monitor the status of the generator from anywhere in the world, using a smartphone, tablet, or PC. It easily accesses information such as the current operating status and maintenance alerts. Users can connect an account with an authorized service dealer for fast, friendly, and proactive service. With Mobile Link, users are taken care of before their next power outage. |
Dimensions & UPCs
Model and UPC
Model | UPC |
---|---|
G007171-0 | 696471074680 |
G007172-0 | 696471074673 |
G007223-0 | 696471082548 |
G007224-0 | 696471082555 |
G007225-0 | 696471082562 |
G007226-0 | 696471082579 |
G007228-0 | 696471082586 |


Dimensions shown are approximate. See installation manual for exact dimensions. DO NOT USE THESE DIMENSIONS FOR INSTALLATION PURPOSES.
Who this unit is best for
Homeowners Choose Us
Medium to large single-family homes that want near whole-home backup
Homes with central HVAC systems that must stay on during outages.

Families who want automatic, hands-free protection (no portable generator setup).
Homeowners looking for a long-term, low-maintenance standby solution.
Installation & warranty notes
- Professional, licensed installation required, includes transfer switch wiring, fuel connection, pad/trenching, and permitting. Horizon registers the factory's 5-year limited warranty at commissioning.
