Description

Waterway Air Check Valve 1.5-Inch Slip-To-Slip (600-8140) with 0.25 lb Spring

Intro

The Waterway 600-8140 Air Check Valve is a compact, reliable one-way valve designed for spa air lines. With 1-1/2″ slip-to-slip connections and a 0.25 lb spring, it delivers quick response and robust backflow protection for hot tubs and spa blowers. Built to endure humid, chemically treated environments, this valve installs as a direct replacement in Waterway-based plumbing, restoring airflow control and protecting downstream equipment.

List of Features

• 1-1/2″ slip-to-slip ends on both sides simplify installation in standard spa plumbing.
• 0.25 lb spring provides dependable actuation, ensuring timely closing/opening under spa pressures.
• One-way air check design prevents backflow from water into blower lines, protecting equipment.
• Precisely matched to Waterway 600-8140 valve body for a reliable seal and fit.
• Built for spa environments, resisting moisture and chemical exposure common in hot tubs.
• Slip-to-slip configuration minimizes adapters, aiding quick retrofit in both new installs and repairs.

Final Thoughts

In short, this valve protects your blower and plumbing, delivers consistent one-way flow, and installs quickly in 1-1/2″ spa lines. Ideal for homeowners and technicians replacing worn valves or upgrading spa plumbing. Add the Waterway Air Check Valve 600-8140 to your cart and refresh your spa’s air system with a trusted, durable solution.