Rain Manifold Cap 1" with O-Ring

The Rain Manifold Cap 1" is a high-quality threaded end cap designed to securely seal unused outlets in Rain's PVC manifold systems. Manufactured from durable PVC and equipped with a factory-installed nitrile rubber (NBR) O-ring, it ensures a watertight, tool-free seal—without the need for Teflon tape or adhesives.

Engineered for fast and simple installation, this cap helps maintain clean, leak-free valve box layouts and is an essential component for both new manifold builds and servicing existing systems.

FEATURES

• 1” (25mm) threaded manifold cap for Rain PVC manifolds
• Integrated O-ring provides a leak-proof seal—no Teflon tape required
• Tool-free installation with secure hand tightening
• Helps seal unused manifold ports to maintain pressure integrity
• UV-resistant construction for long-term durability in outdoor environments
• Ideal for both new installations and maintenance work