American Standard System 11 ETO-2D Replacement Kit | Multi-Speed Whirlpool Tub Pump & Control Upgrade

Replace Your Obsolete American Standard System 11 Control

Restore your whirlpool tub with a modern replacement system designed to replace the obsolete American Standard System 11 ETO-2D Electronic Time Delay Hydromassage Switch. If your original control box has failed, you no longer need to search for discontinued parts. This complete retrofit kit upgrades your tub with a new variable-speed pump, electronic control system, and keypad while maintaining a relaxing hydrotherapy experience.

At Whirly Bros, we specialize in replacing discontinued whirlpool tub controls and pumps. Our retrofit kits eliminate obsolete electronics and replace them with reliable, readily available components backed by expert technical support.

Replaces Obsolete American Standard Parts

This retrofit is designed to replace obsolete American Standard whirlpool tub controls including:

• ETO-2D
• System 11 Electronic Time Delay Hydromassage Switch
• American Standard Part #752465-300
• EPE12PXAS
• Original Low / High / Off electronic control systems

If your control box matches any of the part numbers above, this upgrade is an excellent replacement solution.

Kit Includes

✔ New Multi-Speed Whirlpool Pump

✔ New Electronic Control Box

✔ New Whirlpool Tub Keypad

✔ Pump Union Adapter

✔ Installation Instructions

✔ Expert Technical Support from Whirly Bros

Electrical Specifications

• Voltage: 120 VAC
• Frequency: 60 Hz
• Pump Motor: Variable Speed
• Horsepower: 1.25 HP Equivalent Performance
• Maximum Current Draw: 8.5 Amps
• Control Type: Electronic Variable Speed Control
• Pump Connection: Standard NEMA Plug
• Power Supply: Standard 120V Dedicated GFCI Protected Circuit
• Water Connections: 1-1/2" Bath Pump Unions
• Operation: Variable Speed Hydrotherapy with Adjustable Massage Intensity
• Safety: Designed for GFCI Protected Whirlpool Tub Circuits
• Application: Indoor Residential Whirlpool Bathtubs

Features

• Modern multi-speed hydrotherapy control
• Smooth adjustable massage intensity
• Quiet and efficient operation
• Reliable electronic controls
• Readily available replacement components
• Designed to replace obsolete American Standard electronics
• Expert support before and after your purchase

Why Upgrade Instead of Repair?

The original American Standard System 11 controls have been discontinued for years. Used control boxes are difficult to find, expensive, and often fail shortly after installation.

Installing a modern retrofit system gives you:

• Improved reliability
• Better hydrotherapy performance
• Easier future repairs
• Modern replacement parts that remain available
• Peace of mind knowing your tub can be serviced in the future

Not Sure If This Fits?

Simply send us:

• A photo of your existing control box
• A photo of your pump label
• Your whirlpool tub model number (if available)

Our experienced technicians will verify compatibility before you order.

Why Buy From Whirly Bros?

✔ Whirlpool Tub Specialists

✔ Expert Product Identification

✔ Fast Shipping

✔ Friendly Technical Support

✔ Thousands of Hard-to-Find Whirlpool Tub Parts

✔ Trusted by Homeowners, Contractors & Service Professionals Nationwide

Frequently Asked Questions

Can I replace only the ETO-2D control box?

Unfortunately, no. The original American Standard System 11 ETO-2D control has been discontinued and is no longer manufactured. A complete retrofit is the recommended long-term solution.

Will this work with my American Standard whirlpool tub?

This system is compatible with many American Standard whirlpool tubs using the obsolete System 11 control. Contact us with photos before ordering if you're unsure.

Is this difficult to install?

Most installations can be completed by an experienced homeowner or contractor. We also provide technical support if questions arise during installation.

Does this replace my Low / High / Off button?

Yes. The retrofit replaces the original obsolete control with a new modern keypad that provides smooth