Waterway Stem Diverter [Overmolded 1/2" w/O-Rings] (605-4000B)

O-Rings
Waterway Plastics
605-4000B
_605-4000B
COMPARE AT $9.34
OUR PRICE $5.02
STOCK STATUS IN STOCK Ships Usually the Same/Next Business Day
-
+
$9.88 Standard Shipping
Under 25 lbs. Contiguous USA
Secure Checkout
Safe & secure
Expert Parts Support
We’re here to help

TAGS: o-rings, waterway

Waterway Stem Diverter [Overmolded 1/2" w/O-Rings] is a genuine-style replacement component from Waterway Plastics designed to support sealing performance, leak prevention, and dependable valve or plumbing service. For pool and spa equipment repairs, small parts like this can make a meaningful difference in how well the system seals, fits, and operates after service.

Seals and diverter stems should be replaced when the original part shows wear, flattening, swelling, cracking, or leakage. Match the original Waterway component and part number for the best service result.

Use this item when repairing compatible Waterway equipment or replacing a missing, worn, or damaged part. Because many pool and spa components look similar, verify the part number, dimensions, connection style, and system application before purchase.

  • Replacement sealing-related component for compatible Waterway assemblies
  • Helps restore proper sealing and valve operation
  • Useful during maintenance, rebuilds, or leak repairs
  • Inspect mating surfaces before installation
  • Confirm fitment using part number 605-4000B
Waterway Plastics – Spa Jets, Pumps, Filters, Valves and Pool & Spa Components
Who is Waterway Plastics?

Waterway Plastics is a leading manufacturer of pool and spa components, known for durable construction and broad product compatibility. With decades of experience, Waterway provides essential parts used in both residential and commercial aquatic systems.

What products does Waterway Plastics specialize in?

Waterway Plastics specializes in spa jets, pumps, filters, valves, manifolds, and plumbing components. Their product lineup includes critical parts used in spa and pool systems for water circulation, filtration, and hydrotherapy performance. Waterway components are widely used in both OEM and replacement applications.

Why choose Waterway Plastics parts for your pool or spa?

Waterway Plastics products are known for reliability, compatibility, and long-lasting performance. Their components are engineered to withstand water pressure, chemical exposure, and continuous operation. Spa owners and professionals choose Waterway for dependable parts that maintain system performance and extend equipment life.

How do you identify and choose the correct Waterway Plastics part?

To select the correct Waterway component, it’s important to match specifications such as size, connection type, jet style, and system compatibility. Reviewing model numbers and part dimensions ensures proper fit and function. Choosing the right part helps maintain efficient operation and optimal spa performance.

Need help finding the right Waterway Plastics part?

At Bath & Spa Parts Online, we carry a wide selection of Waterway Plastics 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.

Recently Viewed Products