BAS1138 Features: * Patented A/C Power Control Module to power up to two load dependent, air conditioners * Installation Base * Battery Charger * Hour Meter * Manages Power to All of Your Appliances - Managed Whole House Power system powers your household appliances plus up to 2 air conditioners. * Quick Response - Automatically powers your home in seconds after sensing a power outage. * Durable Enclosure - Rust-resistant, Galvanneal steel enclosures are made from the same materials and paint process used in the automotive industry, resulting in years of protection against chips and abrasions. * Front Air Ventilation - Featuring unique airflow technology, the standby generator"s design pushes engine exhaust out the front of the unit and directly away from the house. * Transfer Switch Flexible, indoor or outdoor, transfer switch placement make it convenient to install. All of our weather-resistant transfer switches are NEMA 3R rated for maximum protection against dirt, rain, sleet and snow. Construction: * Reliable Engine Power - Briggs & Stratton standby generators are powered by commercial-grade Vanguard engines that are design-engineered to dependably take on the most demanding jobs. Specifications: * 100 Amp, 16 Circuit Automatic Transfer Switch * Flexible Placement - Tested against tough National Fire Protection Agency standards, Briggs & Stratton 20kW1 standby generators can be placed as close as 18" (where code allows) from the home providing more placement options in your yard - perfect for tight lot lines. * Protecting Your Family and Home - Thoroughly tested against National Fire Protection Standards, the 20kW1 standby generator has a thermally protected fuel system which automatically shuts off the unit in the event of a fire. All-steel enclosure and base endure temperatures more than double that of aluminum and far beyond that of plastic. * Generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards Associations) C22.2 No. 100-04 (motors and generators). 3 Fuel consumption rates are estimated based on normal operating conditions. Generator operation may be greatly affected by elevation and the cycling operation of multiple electrical appliances - fuel low rates may vary depending on these factors. 4 Review local codes to determine if a transfer switch with separate service disconnect is required. Dimensions: * 31"" H x 47"" W x 29"" D, 622 lbs Warranty: * 4 Year Limited Parts and Labor Warranty - At Briggs & Stratton, we stand behind our warranty and make it easy for our customers to work with us. Four year Limited Warranty consists of parts AND labor for all 4 years.