Briggs & Stratton 6030A Standby Generator Cold Weather Kit, 10,000-12,000 Watt Generators Compatible with Briggs & Stratton 10kw-12kw Standby Generator Systems Ensures smooth starting and reliable operation in the winter months Includes battery and oil warmers, thermostatically-controlled to activate as temperature drops Tested to start at 25-degrees Fahrenheit Briggs & Stratton has provided reliable engine power for over 100 years - Trust the power experts at Briggs & Stratton for complete peace of mind