Waterway 660-3587 Waterway F.A.S 1 Top Access Air Control Assembly - SKU 660-3587

Upgrade your spa or hot tub with the Waterway F.A.S 1 Top Access Air Control Assembly, designed for reliable airflow management and easy top-side installation. This factory-original part ensures precise control over the air/water mix, helping you customize your spa experience for ultimate comfort and relaxation.

• 🔧 Easy Top Access Installation – Designed for simple, hassle-free installation and maintenance from the top of your spa shell.
• 🛡️ Durable Construction – Made from high-quality, chemical-resistant materials built to withstand harsh spa environments.
• 🌬️ Efficient Air Regulation – Provides smooth, reliable air flow control to spa jets for customizable massage action.
• 🔄 Universal Fit – Compatible with many Waterway spa models and other brands that use the same style air control.
• ✅ Genuine OEM Replacement – Trust Waterway for performance, longevity, and exact fit.

• Manufacturer: Waterway
• Part Number: 660-3587
• Top Access Design
• Material: High-impact plastic, chemical resistant
• Color: Gray (may vary by batch)
• Connection: Standard 1" air line

• Waterway 660-3587 (direct replacement)
• May replace select top-access air controls from other brands using the same thread and diameter (verify fit before ordering)

1. Turn off spa power before servicing.
2. Remove any existing air control assembly from the spa shell.
3. Insert the new Waterway F.A.S 1 assembly through the top shell opening and secure as per manufacturer instructions.
4. Connect to existing 1" air line.
5. Restore power and test air control function.

Always consult your spa manual or a professional technician for proper installation and compatibility.

• 🛠️ Industry-trusted for quality and innovation
• 🔒 Genuine parts for peace of mind
• 📦 Fast, easy shipping from Premier Pool & Spa

Restore your spa’s performance with the Waterway F.A.S 1 Top Access Air Control Assembly and enjoy adjustable, reliable air flow every soak!