These 10 parts will help ensure you can get your boiler system back up and running in a pinch: 1. Gaskets 2. Glass Gauges 3. Switches 4. Relays 5. Controls 6. Low Water Cutoff Switch 7. Flame Scanner 8. Actuator 9. Valve Rebuild Kit 10. Spare Controller. For even more check out the Rasmussen Blog at: www.rasmech.com/blog/15-boiler-spare-parts-every-boiler-room-should-have-on-hand/ — and don't forget to like and subscribe.