Delta SimpleSteam™ 4kW Kit

SimpleSteam™ ES-4 Steam Generator Kit
Complete Steam Solution for Compact Home Spas

Discover the power of simplicity with the Delta SimpleSteam™ 4kW Kit, an all-in-one steam shower package designed for effortless installation, intuitive operation, and everyday relaxation. This compact, high-performance system delivers the benefits of at-home steam therapy — from deep relaxation to enhanced wellness — whenever you desire.

Formerly known as the Steamist EliteSteam ES-4, this system now proudly carries the Delta® name, combining trusted performance with elegant, modern design. Ideal for smaller steam rooms up to 65 cubic feet, the SimpleSteam™ 4kW Kit provides a smooth, consistent steam experience without temperature spikes, thanks to its proportional steam technology.

With its microprocessor-based diagnostics, stainless steel tank, and UL Listed construction, this generator ensures reliability and longevity. The included Square Digital Control and Square Steam Head feature Lumicoat™ finishes that resist water spots and mineral buildup, keeping your setup looking pristine with minimal maintenance.

Simple to order, install, and enjoy — the Delta SimpleSteam™ 4kW Kit brings spa-quality steam directly to your home.

Features

Delta SimpleSteam™ Generator

• Proportional steam technology ensures consistent temperature with no spikes

• Compact design fits easily in a vanity, closet, or insulated attic or basement

• Microprocessor-based diagnostics with LED indication for simple troubleshooting

• Durable stainless steel tank construction

• Generator is UL Listed for safety and quality assurance

• Optional auto drain pan (5GA-PAD-240) available separately

• Limited Lifetime Warranty

Delta SimpleSteam™ Square Control

• Turns system on/off and adjusts temperature and duration

• Digital display shows ambient temperature, set point, cycle time, and system status

• Illuminated icons for steam and water cycles

• Menu button allows switching between °F/°C and adjusting session time

• Two user buttons for instant temperature and time adjustments during use

• Lumicoat™ finish resists water spots and mineral buildup — easy to wipe clean

• Designed for installation inside the shower area

• 2-Year (Consumer Use) Warranty

Delta SimpleSteam™ Square Steam Head

• 360° steam dispersion for even steam distribution

• Built-in essential oil reservoir for aromatherapy use

• 3/4" NPT connection with included silicone cover

• Lumicoat™ finish resists mineral buildup and cleans easily

• 2-Year (Consumer Use) Warranty

Includes

• SimpleSteam™ 4kW Steam Generator

• 35' Control Cable (extension available separately)

• SimpleSteam™ Square Digital Control

• SimpleSteam™ Square Steam Head

• Silicone Steam Head Cover

• Installation and Operation Manual

• Limited Warranty

Specifications

• Model: 5P-EST04

• Generator Dimensions: 15"L × 6"W × 15.5"H

• Kilowatt Rating: 4.5 kW

• Max Room Volume: 65 cu. ft.

• Voltage: 240 V

• Phase: 1

• Amperage: 19 A

• Line Fuse: 25 A

• Frequency: 60 Hz

• Wattage: 4,000 W

• Prop 65 Warning: Lead

SimpleSteam™ Square Steam Head

• Dimensions: 3.19"W × 1.25"D × 3.19"H

SimpleSteam™ Square Control

• Dimensions: 2.75"W × 0.63"D × 2.75"H

Resources

Installation and Operational Manual

Technical Specifications

Parts and Accessories Diagram