The Delta SimpleSteam Square Control is a steam shower control kit that turns the system on and off while letting users adjust temperature, duration, cycle time, and display settings from inside the shower area. Its digital display shows ambient temperature, set point, cycle time, system status, and diagnostic error codes, making it a clear and practical control option for compatible Delta SimpleSteam systems. Best Uses for Delta SimpleSteam Square Control: Best for homeowners who want straightforward in-shower control over steam temperature and session duration. Ideal for compatible Delta SimpleSteam systems that need a clean square control installed inside the shower area. Well suited for shoppers who want simple cycle adjustments, including cycle time changes and ºF/ºC switching. Great for households that want two user buttons for quick temperature and remaining-time adjustments during a steam session. Best for users who prefer a digital display with ambient temperature, set point, cycle time, system status, and diagnostic codes. A strong fit for buyers who prefer Lumicoat finishes that resist water spots and mineral buildup for easier cleaning.