The White Rodgers LP Gas Water Heater Control. This replacement control component is designed to manage the operation of compatible liquid propane gas water heaters by regulating gas flow and monitoring water temperature. It works by responding to temperature settings and system demands, helping control the burner to maintain consistent heating performance. As a key part of the water heater's operating system, it supports proper communication between safety and heating functions. Replacing a faulty control can help restore normal operation, improve heating consistency, and support the safe and efficient performance of the water heating system.