Pool FROG Cap With O-Ring: Restore a Secure Seal to Your In-Ground Cycler

A worn, damaged, or missing cycler cap can turn a simple pool-maintenance task into a frustrating leak or pressure issue. The genuine King Technology Pool Frog Cap With O-Ring, part 01-22-9417, is the factory-style replacement designed to seal the top of compatible in-ground mineral sanitizer cyclers, helping keep the system closed, secure, and ready for normal operation.

For owners of compatible POOL FROG®, New Water®, XL Pro®, and Perform-Max™ systems, replacing the cap and O-ring together is a practical way to restore reliable canister closure without replacing the entire cycler. EZ Pool & Spa Supply lists the 01-22-9417 as a genuine King Technology cap with an integrated O-ring and an easy-to-grip knob.

Why the cap matters

Your in-ground mineral cycler does important work behind the scenes. It holds the sanitizer or mineral components that support your pool-care program, and its cap is what closes the canister after servicing or cartridge changes.

The cap is more than a cover. Its threaded design and included O-ring work together to create the seal at the top of the cycler canister. When the cap is in good condition and correctly installed, it helps contain water and chemical flow where they belong while the system is operating.

Over time, pool equipment is exposed to sun, changing temperatures, moisture, chemical vapors, repeated opening and closing, and ordinary wear. A cap that has cracked, becomes difficult to tighten, no longer seals consistently, or has a flattened, damaged, or missing O-ring should be addressed promptly. The right replacement component can help you avoid unnecessary downtime and restore confidence when servicing the feeder.

Genuine King Technology replacement part

The Pool Frog Cap With O-Ring, 01-22-9417, is a genuine King Technology replacement cap made specifically for several in-ground mineral water cycler systems. It includes:

• A threaded cap body for the cycler’s top opening
• An integrated knob for easier gripping during removal and tightening
• A sealing O-ring intended to support a tight closure
• Durable construction for normal outdoor pool-equipment conditions
• OEM-specific compatibility for selected King Technology cyclers

Using a model-specific replacement cap matters. Pool feeder parts can look similar while having different thread patterns, diameters, seals, and intended applications. Confirming the part number and your cycler model before ordering helps prevent the inconvenience of installing a part that does not fit correctly.

Compatible cycler systems

The 01-22-9417 Pool Frog Cap With O-Ring is intended for the following King Technology in-ground cycler systems:

EZ Pool & Spa Supply identifies the 01-22-9417 as compatible with these POOL FROG, XL Pro, New Water, and Perform-Max mineral-water in-ground cyclers. Before purchasing, check the model number on your existing canister, owner’s documentation, or product label. This part is intended for the listed in-ground cycler families—not every FROG feeder or sanitizer system.

Signs it may be time to replace your cap

A cap does not need to be completely broken before it becomes worth replacing. Pay attention to these common warning signs:

• Visible cracks, warping, discoloration, or damage around the cap body or threads
• A cap that is difficult to start, tighten, remove, or secure by hand
• Water or chemical residue appearing around the top of the canister
• A flattened, brittle, nicked, stretched, or missing O-ring
• A damaged or worn knob that makes routine servicing difficult
• An older cap that no longer inspires confidence after repeated cartridge or reservoir changes

If you are diagnosing a leak, remember that the cap is only one possible cause. Inspect the cap threads, O-ring, canister opening, control dial, pressure-relief components, and any other nearby fittings. Never force a cap onto damaged or cross-threaded equipment.

How to replace the cap

Always follow the instructions for your specific cycler model and observe all manufacturer safety procedures. In general, a careful replacement process looks like this:

1. Turn off the pool pump and relieve pressure from the cycler according to the equipment manufacturer’s instructions.
2. Remove the existing cap only after confirming the system is depressurized.
3. Inspect the canister rim and threads for dirt, damage, chemical buildup, or debris.
4. Check that the replacement cap’s O-ring is seated properly in its groove and is free of twists, cuts, and debris.
5. Place the cap squarely onto the cycler and thread it by hand. Do not force it.
6. Tighten according to the equipment instructions—hand-tightening is typically preferred over excessive force or tools.
7. Restart the system, then inspect for leaks while the equipment is running.

For older Pool FROG cycler guidance, King Technology documentation emphasizes maintaining the cap O-ring and using silicone lubricant rather than petroleum-based lubricants when lubrication is specified for the system. Refer to the manual for your exact model for the proper pressure-relief, cap-removal, and maintenance procedures.

Helpful O-ring care tips

The included O-ring is a small component with an important job. A clean, correctly seated O-ring helps the cap provide an even seal around the cycler opening.

To help extend O-ring service life:

• Keep the O-ring and its groove free of grit, residue, and debris.
• Inspect it whenever you open the cycler for maintenance or cartridge replacement.
• Do not stretch, twist, pinch, or scrape the O-ring during installation.
• Use only the lubricant recommended by your equipment manufacturer.
• Avoid petroleum-based lubricants where the manufacturer advises against them.
• Replace the cap or O-ring if you see cracking, flattening, cuts, swelling, or loss of elasticity.

A little preventive attention can be much easier than tracking down a small leak after the system is already back in operation.

Why choose the correct OEM cap?

An OEM-compatible replacement part offers a straightforward advantage: it is designed around the dimensions and closure requirements of the cycler models it serves. The 01-22-9417 cap is specifically identified for POOL FROG 5400 and 5430, XL Pro, New Water 400 and 430, and Perform-Max 940, 960, and 980 systems.

Choosing the correct cap helps you:

• Maintain the intended cap-to-canister fit.
• Replace both the closure and sealing O-ring in one component.
• Make routine cycler servicing easier with the built-in knob.
• Avoid trying to adapt a generic pool-equipment cap to a specialized mineral cycler.
• Keep your pool-care equipment working with the replacement parts intended for its design.

Buy with confidence from EZ Pool & Spa Supply

When you need a replacement cap, clear compatibility information makes the buying process far easier. EZ Pool & Spa Supply offers the genuine King Technology Pool Frog Cap With O-Ring, 01-22-9417, with the supported cycler models clearly identified on its product listing. The item is listed in its chlorinator and brominator replacement-parts selection, making it a convenient source for maintaining your in-ground sanitizer system.eztestpools+1

Whether you are replacing a cracked cap, addressing a worn O-ring, or keeping a spare part on hand before the next service interval, the right cap helps protect the performance of the cycler you already own.

Shop the genuine replacement part: Pool Frog Cap With O-Ring, 01-22-9417 at EZ Pool & Spa Supply.