Unlike conventional standby generators that may only provide access to 50% of your needs, the Briggs & Stratton 18/20kW features patented transfer switch technology to provide YOU with access to the power needs of your WHOLE house, all with a smaller, more energy efficient system.

Briggs & Stratton 18/20kW Natural Gas or LP (Propane) Generator Model 40305b & Dual 200 Amp/Split 400 Amp ATS Model 71058 for Whole House Managed Power

Emissions: 49 State Compliant, Not for sale to California

Briggs & Stratton $100 Referral Program

Features & Benefits:
• Briggs & Stratton Vanguard Engine - because Engines Matter.
• Limited 4 year warranty - one of the best in the industry, and your guarantee of quality and performance.
• Patented ACCM, Air Conditioning Control Module: imprints starting wattage of your air conditioner (AC) in the control board, monitors usage, and 'waits' until your AC can be started with the least amount of power, assuring usage while preventing possbile overload.
• Maximum Fuel Economy:  Intelligent management of your homes appliances results in less fuel consumption than larger more fuel hungry generators.
• Coast Guard All-Climate Enclosure: Featuring heat resistant polymer louvers and vents and an automotive rust proofing paint process for years of rust resistant four season protection.
• Computer-Friendly Power - Advanced alternator technology provides safe and stable power for computers and other sensitive electronics.
• Rated for Outdoor Installation: Nema 3R

• Manufacture Battery Requirement/Recommendation: Werker Item Number WKA12-55C/FR (12V 55AH AGM CU TERM FR) - Not Included

• This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards Association) standard C22.2 No. 100-04 (motors and generators).

Includes Model 71058 Dual 200 Amp/Split 400 Amp Automatic Transfer Switch:

First In Its Class: Never seen before automatic transfer switch technology only compatible with Briggs & Stratton generators. Replaces the need for two 200 amp transfer switches in standard split 400 amp service homes with two 200 amp distribution panels.  It's a convenient and affordable solution to mange whole house backup power for larger homes and businesses. 
• Easy Installation:  The system uses one less transfer switch requiring less wiring, less time and fewer expenses than typical 400 amp installations.  With factory pre-wired generator power distribtution inside the transfer switch, the new transfer switch is a huge timesaver.  Plus, it weighs less than the average 400 amp transfer switch.
• Smaller Footprint: The Dual 200 Amp/Split 400 Amp Transfer Switch is a smaller, cleaner looking installation.
• UL Listed: Briggs & Stratton Dual 200 Amp/Splt 400 Amp switch is a UL Listed solution for two 200 amp service breakers.  The 400 amp utility service can be split and connected directly to each service disconnect breaker in the transfer switch.  Each circuit then feeds separate 200 amp distribution panels.
• Power Management Method:  ACCM, Patented A/C Power Control Module - Patented power management technology manages the power demands of up to two 5-ton central air conditioners while protecting against power overload.
• Rated Nema 3R, for Indoor/Outdoor Installations
• Fully Automatic with Service Entrance Disconnect
• Dimensions: 37"L x 7"W x 23.7"H - Weight 111 lbs.