Sierra 23-3651 Thermostat Kit For WesterbekeSierra high-quality replacement thermostat kit for Westerbeke Generators. Temperature Rating: 140 Degrees Fahrenheit; Kit Contains: (1) 23-3601 Thermostat; (1) 23-0802 Thermostat Gasket; Interchangeable with: Westerbeke; 35736; 34196; Application: 11.0 TWG(60HZ)/8.5 TWG(50HZ); 4.0 BCG(60HZ)/3.0 BCG(50HZ); 6.5 BCG(60HZ)/4.8 BCG(50HZ); 8.0 TWG(60HZ)/6.4 TWG(50HZ); 9.0 BTG(60HZ)/7.0 BTG(50HZ);