Pentair Lock Ring For Filters Feeders & Leaf Traps | R172214

The OEM Pentair R172214 Rainbow Lock Ring is a replacement part designed for use with Pentair's Dynamic Series I, II, and III inline cartridge filters, Chemical Feeders, Leaf Traps, and Predator II models. This lock ring features a buttress thread design, ensuring a secure fit to maintain the integrity of the filtration system. It is commonly used in conjunction with Pentair leaf traps and Rainbow high-capacity automatic chemical feeders, such as the HC-3315, HC-3330, and HC-3340 models.

Highlights

• Designed for Pentair Systems – The Pentair R172214 Rainbow Lock Ring is a genuine replacement part for use with Pentair Dynamic Series I, II, III inline cartridge filters, chemical feeders, and Predator II models.

• Secure Buttress Thread Design – Featuring a buttress thread design, this lock ring ensures a secure fit, maintaining the integrity and performance of your filtration system.

• Versatile Compatibility – Ideal for use with Pentair leaf traps and Rainbow high-capacity automatic chemical feeders, including models HC-3315, HC-3330, and HC-3340.

• Durable and Reliable – Made from high-quality materials, the Pentair R172214 lock ring is built to withstand the demands of filtration and chemical feeder systems, providing long-lasting service.

Includes

• (1) Lock Ring

Compatibility

• Pentair Predator II Filter
• Pentair Dynamic Series I, II, III and IV Filters
• Pentair Leaf Traps
• Pentair Chemical Feeders Feeder Models: HC3315, HC-3330 and HC-3340

Additional Info

Ordering the Pentair R172214 Rainbow Lock Ring online? This guide helps you confirm fit for filters and feeders, explains how to install it once delivered, and provides common reasons to replace it — all with free shipping from SOSPool.com.

Confirming Compatibility Before You Order Online

Check these answers to make sure the R172214 is the right part for your system.

Will this ring work on a Dynamic Series III filter from an online kit?

Is the R172214 compatible with my HC-3330 feeder bought last year?

What model numbers match this lock ring before I order online?

Can I use this with a Pentair leaf trap from my previous setup?

Does this ring replace the one on my Predator II I bought online?

Installing the Lock Ring at Home

Once it ships, this section walks you through installing the R172214 without issues.

Are install instructions included when this ships from SOSPool.com?

Should I hand-tighten or use a wrench on this ring?

Can I reuse the existing O-ring with this replacement?

Is alignment important when threading the new lock ring?

Common Issues That Mean It’s Time to Replace

Here are signs from online customers that it’s time to replace your old ring.

Why is the ring no longer holding pressure on my feeder lid?

Can UV exposure cause this part to fail over time?

What causes the lock ring to slip or pop during pump operation?

Does constant retightening mean it’s time for a new lock ring?

Diagram