Make sure your standby generator is properly maintained and ready to provide power when you need it most. Honeywell Air-Cooled and Liquid-Cooled Maintenance kits offer all the components necessary to keep your Honeywell Home Standby Generator running like new. Keep your Honeywell 10kW Home Standby Generator up and runnning with the 10kW Home Standby Generator Maintenace Kit 5663 or help increase the running life of your 15kW Home Standby Generator with the 15kW Home Standby Generator Maintenance Kit (5664) . You can also find maintenance kits for the 20kW, 25kW, 35kW, and 45kW home standby generators.