Watkins FreshWater Salt System Controller (78503)

Type:	Ozone
Mfg	Watkins Manufacturing
Mfg Part #	78503

COMPARE AT $266.99

OUR PRICE $212.99

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Details

Keep a compatible Hot Spring or Caldera FreshWater Salt System operating with this Watkins replacement controller. The controller is part of the spa’s saltwater sanitation equipment, helping manage chlorine production through the installed FreshWater system.

Why This Part Matters

Watkins identifies this controller for select Hot Spring Highlife and Limelight and Caldera Utopia and Paradise applications beginning with the 2019 model year. It is the controller component, not the complete salt system or a replacement cartridge.

Features & Details

FreshWater salt system controller
For compatible 2019-and-later installations
Watkins replacement component

Replacement & Compatibility

Confirm the spa model, year, installed FreshWater version, and original controller part number before ordering.

Watkins Manufacturing – Hot Tub Parts & Spa Components

Who is Watkins Manufacturing?

Watkins Manufacturing is a leading name in the hot tub and spa industry, best known for producing premium spa brands and high-quality replacement components. The company has a long-standing reputation for comfort, innovation, and dependable spa performance. Watkins products support the ownership and maintenance of hot tubs designed for relaxation, hydrotherapy, and long-term enjoyment.

What products does Watkins Manufacturing specialize in?

Watkins Manufacturing specializes in hot tub and spa components, including parts that support heating, controls, filtration, jets, and comfort features. Their products are associated with premium spa ownership, repair, and long-term maintenance.

Why choose Watkins Manufacturing parts for your pool or spa?

What truly distinguishes Watkins Manufacturing is its commitment to quality, user experience, and thoughtful spa design. From essential replacement parts to components that support heating, controls, and comfort features, Watkins products help keep spas operating as intended. For spa owners and service professionals seeking trusted replacement options, Watkins Manufacturing remains a respected choice in premium hot tub care.

How do you identify and choose the correct Watkins Manufacturing part?

To choose the correct part, compare your existing component’s part number, size, connection type, voltage or rating when applicable, and equipment model compatibility. Reviewing labels, manuals, measurements, and part diagrams helps confirm fit before ordering. Choosing the correct replacement helps prevent leaks, performance issues, and unnecessary downtime.

Need help finding the right Watkins Manufacturing part?

At Bath & Spa Parts Online, we carry a wide selection of Watkins Manufacturing pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.