The Waterway Plastics Plunger & Cap Assembly 605-4370 is a high-quality replacement component designed for 1-inch on/off valves used in spa and pool plumbing systems. Built from durable plastic with a corrosion-resistant exterior finish, this plunger assembly ensures reliable flow control and long-lasting performance.

This Waterway plunger valve assembly allows you to easily start or stop water flow in your spa or pool system without needing complex plumbing adjustments. Its 1-inch inlet connection makes it compatible with many spa and hot tub systems that use standard Waterway valve fittings.

Designed for durability and easy installation, the plunger assembly acts as a direct replacement part, helping maintain proper water circulation and system efficiency. The compact design fits perfectly into compatible valve housings while maintaining a tight seal for leak-free operation.

Ideal for hot tubs, spa systems, and pool equipment, the Waterway 605-4370 plunger and cap assembly provides dependable valve control and helps extend the life of your plumbing components.

Key Features:

• Compatible with 1" On/Off spa and pool valves

• Durable plastic construction for long service life

• Waterway 605-4370 replacement plunger & cap assembly

• Corrosion-resistant exterior finish

• Helps control water flow in spa and pool systems

• Easy installation and direct replacement design

• Suitable for hot tubs, spas, and pool plumbing systems