Generac provides peace of mind for homeowners with 24/7 automatic power protection from blackouts whether you are home or away. Back up preselected circuits within seconds of a power outage. Permanently installed. Runs on LP or natural gas. Includes prewired, prepackaged, 100 Amp indoor-rated 14-circuit automatic transfer switch for easy installation. U.S.A. Rated Watts (kW): 14, Engine Displacement (cc): 992, Engine: OHVI, Speed (RPM): 3,600, Rated Watts LP (kW): 14, Rated Watts NG (kW): 13, Volts: 120/240, Amps: 58.3 LPG / 54.2 NG, Engine Cooling: Air, Start Type: Automatic, Phase: 1, Noise Level (dB): 66, Transfer Switch: 100 Amp Automatic NEMA 1, Fuel Type: LP and natural gas, Enclosure: Steel, Mounting Pad: Yes, Battery Required: Yes, Battery Included: No, Auto Shutdown: Yes, UL Listed: Yes, Dimensions L x W x H (in.): 48 x 25 x 29
Experience fast-acting, automatic protection from power loss with the Generac Guardian Series 5503 14,000 / 13,000 Watt Air-Cooled Propane/Natural Gas Powered Automatic Standby Generator with Steel Enclosure. Ideal for home use, this generator powers up automatically and within seconds of a power outage without the need for any manual startup. Without any buttons to push or cords to plug in, an automatic standby generator starts up by itself even when you're away! Featuring easy installation, it comes pre-wired and packaged with virtually everything necessary to connect to your home's electrical system and existing LP or natural gas fuel supply, so you can be protected the next time the lights go out. |
 A 992cc Generac OHVI® Engine delivers reliable performance with its long-life design. View larger. |
 This powerful generator comes pre-wired and equipped with the necessary installation gear. View larger. |
 Standby generators power up automatically within seconds of a power outage to keep your family safe and comfortable. View larger. |
 This automatic standby generator offers simple, digital controls. |
When the power goes out, this generator eliminates the trouble of dealing with a fuse box in a dark basement or going outside in a storm to start a portable generator. After all LP or natural gas and electrical connections are completed, the Generac 5503 is ready to run 24/7 and requires absolutely no manual operation, no fueling, and no extension cords. The generator responds within seconds of power outages, so inconveniences like heat or air conditioning loss and burst pipes or spoiled food are quickly avoided.
Initial setup is easy. The generator arrives pre-wired and equipped with the necessary installation gear: a 14-circuit transfer switch (NEMA 1, indoor-rated only), pre-wired conduits, an outdoor connection box, a flexible fuel line pigtail, and a composite mounting pad. (Additional items and tools may be needed to complete the installation to meet local codes. Consult a licensed professional for further details.)
The unit can be programmed to perform a weekly exercise at the time of your choice, so it will be ready for continuous and reliable operation on a moment's notice. For your convenience, it also offers a two-line LCD digital controller, an at a glance indicator light and system status LED, plus an easy-to-access external main circuit breaker.
Superior Technology for Secure Output, Quiet Operation, and Durability
Thanks to Generac's exclusive True Power Technology, this generator provides clean, continuous power, so sensitive electronics and microchip appliances like laptops and HVAC equipment can be operated without the worry that unexpected power surges bring. The ultra-quiet design means that noise levels during self-tests are 1/3 quieter than portable generators, so your daily routine is unaffected.
The generator's corrosion-resistant, galvanized steel enclosure is protected by Generac's proprietary RhinoCoat system--a unique process that binds the paint to the metal surface for a long-lasting, durable finish. This allows the generator to sit outdoors and withstand harsh weather conditions without developing an unsightly appearance.
Like all Generac generators, this model is UL (Underwriters Laboratories) listed for safety.
Rugged, Worry-Free Design
The generator features the 992cc Generac OHVI® Engine, an exclusive air-cooled generator engine with a high-performance design that can accommodate large electrical loads. The engine optimizes power to respond swiftly to changing conditions. To add to your peace of mind, the engine requires routine maintenance only once every two years, or after 200 hours of use.
This Generac generator meets CARB requirements. It requires a Group 26R 12-volt minimum 525 CCA battery (sold separately).
What's in the Box
Generac Guardian Series 5503 14,000/ 13,000 Watt Automatic Standby Steel Generator; 100 Amp NEMA 1 automatic transfer switch with 14-circuit load center; 30-foot, 5-foot, and 2-foot pre-wired conduits; outdoor connection box; 1-foot flexible fuel line pigtail; composite mounting pad; installation guide and owner's manual.
| Model # | Rated Power (Watts) | Enclosure Type | Automatic Transfer Switch | CARB Compliant |
|---|---|---|---|---|---|
| 5501 | 8,000 | Steel | 100 Amp NEMA 1 8 circuit load center | Yes | |
| 5502 | 10,000 | Steel | 100 Amp NEMA 1 10 circuit load center | Yes | |
| 5503 | 14,000 | Steel | 100 Amp NEMA 1 14 circuit load center | Yes | |
| 5504 | 17,000 | Steel | 100 Amp NEMA 1 16 circuit load center | Yes | |
| 5505 | 17,000 | Aluminum | 100 Amp NEMA 1 16 circuit load center | Yes | |
| 5744 | 20,000 | Aluminum | 200 Amp NEMA 3R service entrance rated | Yes | |
| 5525 | 20,000 | Aluminum | Not Included | Yes | |
| Model # | Rated Power (Watts) | Enclosure Type | Transfer Switch | CARB Compliant |
| QT02516ANAN | 25,000 | Steel | Not included | Yes | |
| QT03016ANAN | 30,000 | Steel | Not included | Yes | |
| QT04524ANAN | 45,000 | Steel | Not included | No | |
| QT04524ANAY | 45,000 | Steel | Not included | Yes | |
| Model # | Rated Power (Watts) | Enclosure Type | Transfer Switch | CARB Compliant |
| QT02224ANAN | 22,000 | Aluminum | Not included | Yes | |
| QT02724ANAN | 27,000 | Aluminum | Not included | Yes | |
| QT03624ANAN | 36,000 | Aluminum | Not included | No | |
| QT04842ANAN | 48,000 | Aluminum | Not included | No | |
Generac Guardian Series 5503 14,000 Watt Air Cooled Propane/Natural Gas Powered Home Automatic Standby Generator With Transfer Switch (CARB Compliant)
Model Of Item : 5503
Product Brand : Generac
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