O-318 O-Ring for Pentair WhisperFlo, IntelliFlo & Waterway SMF/Power Defender Pump Lid

The O-318 O-Ring is a reliable replacement part designed to create a tight, leak-free seal on the lids of Pentair WhisperFlo, IntelliFlo, and Waterway SMF/Power Defender pumps. Made from high-quality, chemical-resistant rubber, this O-ring ensures long-lasting performance and helps maintain proper system pressure.

Whether you're performing routine maintenance or fixing a leak, this replacement O-ring is a simple, cost-effective solution to keep your pump running efficiently and extend its lifespan.

Features & Benefits:

• Perfect Fit Compatibility: Specifically designed for Pentair WhisperFlo and IntelliFlo pump lids, as well as Waterway SMF and Power Defender models.

• Chemical-Resistant Material: Crafted from durable rubber that withstands pool chemicals and high water pressure.

• Leak Prevention: Maintains a secure seal to prevent air leaks and water loss, helping your system run smoothly.

• Easy Installation: Quick and hassle-free to replace. We recommend using a silicone-based lubricant to enhance sealing and longevity.

• Versatile Use: Ideal for residential pools, spas, and commercial pump systems using the listed models.

Installation Tip:
Clean the O-ring groove thoroughly before installing the new O-318 ring, and apply a silicone-based lubricant (never petroleum-based) to improve sealing and ease of future removal.

Keep your pump operating at peak performance with the O-318 O-Ring—a small part that makes a big difference.