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Welcome to the #1 Online Parts Store! Welcome to the #2 Online Parts Store! Welcome to the #3 Online Parts Store! Call us for assistance with parts and sales 1-855-248-0777 Don't let a faulty display ruin your relaxation. Western Tub and Pool offers a complete range of replacement Cal Spas topside control panels and ATS auxiliary buttons to get your hot tub running perfectly again. When your hot tub buttons stop responding or the display goes blank, your spa becomes unusable. We specialize in authentic replacement parts designed specifically for Cal Spas systems. The command center of your hot tub. Our replacement panels restore your ability to control temperature, jet pressure, filtration cycles, and lighting with crystal-clear LED readouts and responsive buttons. Restore the convenience of your dedicated seat controls. If your Adjustable Therapy System (ATS) panel is unresponsive, replace it to regain control over specific massage zones without leaving your seat. All our replacement panels are built to meet original factory specifications, ensuring they are fully waterproof, steam-resistant, and designed to withstand the harsh chemical environment of a hot tub. Our topside panels and ATS controls are compatible with a wide range of Cal Spas series. While we always recommend checking your specific part number, our stock generally covers models within these popular lines: Note: Please verify the part number on the sticker underneath your current control panel before ordering to ensure a perfect fit. The Main Topside panel is the "brain" of the user interface, controlling temperature, modes, and primary jets. The ATS (Adjustable Therapy System) or "Aux" panel is a smaller, secondary control usually located near a specific seat or lounger to control local jets without moving to the main panel. Yes, in most cases, replacing a topside panel is a straightforward DIY task. It typically involves peeling up the old panel, unplugging the ribbon cable from the circuit board, plugging in the new one, and sealing it in place. However, always turn off the power at the breaker before attempting any repairs. The most accurate way to find the correct replacement is to look for the serial number or part number located on the underside of your existing control panel or in your owner's manual. Matching the button layout (e.g., "Jets 1, Jets 2, Light, Temp") is also a good indicator. Most of our complete panel assemblies come with the button overlay included. Please check the specific product description on our shop page to confirm if the overlay is included or sold separately. Stop struggling with broken buttons and blank screens. Browse our inventory of Cal Spas controls and order your replacement today for fast shipping.
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Cal spas topside controls panels - Aux topsides
Restore Your Cal Spa with Genuine Replacement Parts
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Take back control of your spa
Main Topside Displays
Cal Spas ATS (Auxiliary) Panels
Durable and Waterproof
Compatible Cal Spas Models
Frequently Asked Questions
What is the difference between a Main Topside and an ATS panel?
Can I install these panels myself?
How do I know which specific part I need?
Do these panels come with the overlay sticker?
Get your hot tub ready for the season
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