# Swimables SW-28-588 Jandy-Style Drain Plug Replacement – Replaces R0358800

## Restore a Proper Seal When Draining Pool Equipment

The **Swimables Jandy® Style Drain Plug (SW-28-588)** is a replacement drain plug designed to replace **Jandy OEM part R0358800** on compatible pool filters and equipment housings. Drain plugs play a critical role in allowing controlled draining of pool equipment while maintaining a watertight seal during normal operation.

A cracked, stripped, or missing drain plug can cause slow leaks, air intrusion, or complete loss of prime. Replacing the drain plug is a simple but essential repair for keeping pool equipment sealed and operating correctly.

This product is a **pool equipment drain component**, engineered specifically for swimming pool systems.

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## What a Pool Drain Plug Does

Drain plugs are installed at the lowest point of pool equipment housings to allow water to be drained during:

-   Winterization
    
-   Equipment service or repair
    
-   Filter cleaning and teardown
    
-   Freeze protection procedures
    

When properly installed, the drain plug seals tightly during operation and removes easily when draining is required.

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## Jandy® Style Replacement for OEM R0358800

The **SW-28-588 drain plug** is manufactured in a **Jandy-style configuration** and designed to replace **OEM part R0358800** used on select Jandy pool filters and equipment.

This part is commonly serviced alongside components found in the **Pool Filter Replacement Parts Collection** and **Pool Plumbing Components Collection**.

Always confirm OEM part number and equipment model before ordering.

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## Includes a Sealing Surface for Leak Prevention

Pool drain plugs rely on proper sealing to prevent leaks. When the sealing surface or threads wear out, even a slightly loose plug can drip or draw air.

Replacing a worn drain plug helps:

-   Stop slow leaks at the equipment base
    
-   Prevent air from entering the system
    
-   Maintain stable pump prime
    
-   Protect surrounding equipment pads
    

This small part plays a big role in overall system reliability.

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## Common Signs a Drain Plug Needs Replacement

A failed or damaged drain plug may cause:

-   Dripping water from the bottom of the filter or pump
    
-   Air bubbles entering the system
    
-   Difficulty tightening or loosening the plug
    
-   Stripped or cracked threads
    
-   Plug no longer sealing even when tight
    

Replacing the plug is often the fastest and safest fix.

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## Built for Pool Equipment Environments

The Swimables drain plug is manufactured from **pool-rated materials** designed to withstand:

-   Constant water exposure
    
-   Chlorinated and saltwater pools
    
-   Pressure changes inside filters
    
-   Seasonal temperature swings
    

This ensures dependable sealing performance over time.

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## Ideal for Service Calls and Seasonal Maintenance

Drain plugs are commonly replaced during:

-   Filter rebuilds
    
-   Seasonal equipment inspections
    
-   Winterization service
    
-   Leak troubleshooting
    

Service professionals often keep replacement drain plugs on hand because they are inexpensive and frequently needed.

This part pairs naturally with **filter O-rings**, **air bleeder assemblies**, and **filter manifolds** found in the **Pool & Spa Filters Collection**.

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## Installation Notes

General installation considerations include:

-   Remove old drain plug carefully
    
-   Inspect threads in the equipment housing
    
-   Hand-tighten the new plug snugly
    
-   Do not overtighten to avoid cracking
    
-   Check for leaks after system startup
    

Thread sealant is typically not required unless specified by the equipment manufacturer.

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## Specs & Details

Specification

Details

Product Type

Pool equipment drain plug

Brand

Swimables

Part Number

SW-28-588

Replaces OEM

Jandy R0358800

Application

Pool filters & equipment housings

Function

Seals drain port

Pool Type

In-ground swimming pools

Water Type

Chlorine & saltwater compatible

Material

Pool-rated engineered polymer

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## Works with Jandy® Pool Filtration Systems

This drain plug is commonly used on Jandy filtration equipment and is often serviced alongside **DE filter components**, **sand filter internals**, and **equipment base fittings** found in the **Pool Equipment Parts Collection**.

Replacing small sealing components together helps prevent future leaks.

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## Buy with Confidence from Benchmark Pool Supply

At Benchmark Pool Supply, we stock **reliable pool equipment replacement parts** trusted by service professionals. The **Swimables SW-28-588 Jandy-style drain plug** is a simple, dependable solution for restoring a proper seal on pool equipment.

When you buy from Benchmark Pool Supply, you get:

-   Pool-specific expertise
    
-   Proven aftermarket replacement parts
    
-   Local inventory and support
    
-   Confidence buying from pool professionals
    

We help you fix small issues before they become big ones.

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## Details

- **Price:** 22.95 USD
- **Vendor:** Swimables
- **Type:** Pool Plumbing Parts
- **Tags:** Ready for Links, SEO Added

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 22.95 USD | In stock |

## Images

- Swimables SW-28-588 Jandy-Style Drain Plug Replacement – Replaces R0358800 OEM part for pools

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> Source: [Benchmark Pool Supply](https://benchmarkpoolsupply.com/products/swimables-jandy-style-drain-plug-r0358800-sw-28-588)
> Updated: 2026-07-17