73534-AA Kohler Whirlpool Pump Replacement System

Upgrade your Kohler spa experience with the 73534-AA Whirlpool Pump Replacement System—a modern, plug-and-play solution built to replace the original pump when its components are discontinued. This isn’t just a swap; it’s a performance upgrade that delivers precise control, easier installation, and long-lasting reliability for your hot tub or spa.

What makes this replacement system stand out

• Variable-speed 120V pump (8.5A): Tailor your spa performance with high, medium, or low flow, letting you transition from a gentle soak to powerful jets without changing hardware.
• Compact control box (VSPC): Designed to fit neatly under most tub setups, it minimizes mounting hassle and keeps your installation clean and unobtrusive.
• Wireless, waterproof floating remote: Control speeds, power on/off, and access a convenient 30-minute timer from anywhere around the tub. Batteries included for immediate use.
• Two control pathways for maximum flexibility: Operate via the floating remote or retain your existing keypad and use the new remote as a second control option.
• White push air button: Provides quick configuration or direct pump control, supporting variable-speed operation and on/off control.
• Direct compatibility and upgrade path: Specifically designed to replace the original 73534-AA Kohler Whirlpool Pump with a reliable, modern subsystem that’s easy to install.
• Practical installation perks: Fits with minimal plumbing changes in most cases, and a free union is included for a clean, secure connection where needed.

Two intuitive ways to control your flow

The system gives you flexibility by pairing a handheld, wireless remote with your existing keypad. Choose the precision of the remote for scheduling and slow-to-fast jet transitions, or rely on your current control panel for a familiar experience—and use the remote as a seamless second control option. The remote’s 30-minute auto-timer makes it easy to set up a relaxing spa session without fiddling with settings mid-soak. The white push air button adds another layer of control, allowing quick configuration or direct pump adjustments from the control box when needed.

Installation and safety notes

• Installation simplicity: The compact control box can be mounted out of the way, and the pump is designed to fit under your tub with minimal disruption. In most cases, no plumbing modifications are required.
• Electrical and safety considerations: Use a dedicated, GFCI-protected circuit to ensure safe operation, and create a stable base for the new pump to minimize vibration since the old base may not accommodate the updated unit.

What’s included in the kit

• 1x 120V, 8.5A variable-speed pump (replacement for the 73534-AA Kohler Whirlpool Pump)
• 1x 120V control box, model VSPC
• 1x Wireless, waterproof floating remote control (batteries included)
• 1x White push air button for control box use or direct pump control
• Free union for easy connection (where needed)

Who this upgrade is ideal for

Homes with aging Kohler spas that relied on older 73534-AA components will benefit from a modern, more reliable subsystem that delivers consistent performance, easier maintenance, and more nuanced jet control. It’s perfect for spa owners who want gentler start-up sequences, precise jet modulation, and the convenience of wireless control without sacrificing their existing control layout.