Pentair Pentair Clean & Clear Plus Cartridge Pool Filter DRAIN PLUG LEAK Error Fix: Drain Plug Leak

Water is dripping from the drain plug at the bottom of the filter tank. The drain plug or its O-ring has failed. Tighten the drain plug (hand tight plus a quarter turn with pliers — do not over-tighten plastic plugs). If the plug is cracked or the O-ring is damaged, replace the plug and O-ring. Apply Teflon tape to the plug threads if it is a threaded connection.

info2 fixes available✨ Free fix available

Quick Answer

Error DRAIN PLUG LEAK on the Pentair Pentair Clean & Clear Plus Cartridge Pool Filter means: Drain Plug Leak. The top-ranked community fix is “Replace Drain Plug and O-ring” (medium difficulty, ~25 min, DIY cost: $10-$20). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · pool filter

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many pool filter repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $100-$140.

Other Pentair Pentair Clean & Clear Plus Cartridge Pool Filter Error Codes

AIR IN SYSTEM

Air in Filter System

2 fixes

AIR VALVE FAIL

Air Relief Valve Failure

2 fixes

BAND CLAMP FAIL

Belly Band Clamp Failure

2 fixes

DAMAGED CARTRIDGE

Damaged Filter Cartridge

2 fixes

GAUGE FAILURE

Pressure Gauge Failure

High Filter Pressure

Lid O-Ring Leak

Low Filter Pressure

People Also Ask About Pentair Pentair Clean & Clear Plus Cartridge Pool Filter Error DRAIN PLUG LEAK

What does error code DRAIN PLUG LEAK mean on a Pentair Pentair Clean & Clear Plus Cartridge Pool Filter?

Error code DRAIN PLUG LEAK on the Pentair Pentair Clean & Clear Plus Cartridge Pool Filter means: Drain Plug Leak. Water is dripping from the drain plug at the bottom of the filter tank. The drain plug or its O-ring has failed. Tighten the drain plug (hand tight plus a quarter turn with pliers — do not over-tighten plastic plugs). If the plug is cracked or the O-ring is damaged, replace the plug and O-ring. Apply Teflon tape to the plug threads if it is a threaded connection.

How do I fix error code DRAIN PLUG LEAK on my Pentair Pentair Clean & Clear Plus Cartridge Pool Filter?

The most successful fix is "Replace Drain Plug and O-ring" (medium difficulty, ~25 minutes). Estimated DIY cost: $10-$20. HomeMD has 2 community-ranked fixes for this error.

Is error code DRAIN PLUG LEAK on a Pentair Pentair Clean & Clear Plus Cartridge Pool Filter serious?

This error is rated info severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Can I fix Pentair Pentair Clean & Clear Plus Cartridge Pool Filter error DRAIN PLUG LEAK myself?

Yes — the top-ranked community fix ("Replace Drain Plug and O-ring") is rated medium difficulty and takes about 25 minutes. Tools needed: Slip-joint pliers, Teflon tape.

How much does it cost to repair Pentair Pentair Clean & Clear Plus Cartridge Pool Filter error DRAIN PLUG LEAK?

DIY cost: $10-$20. Professional repair typically costs $100-$140. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Pentair Pentair Clean & Clear Plus Cartridge Pool Filter have?

The Pentair Pentair Clean & Clear Plus Cartridge Pool Filter has 8 other known error codes, including: AIR IN SYSTEM (Air in Filter System), AIR VALVE FAIL (Air Relief Valve Failure), BAND CLAMP FAIL (Belly Band Clamp Failure), DAMAGED CARTRIDGE (Damaged Filter Cartridge), GAUGE FAILURE (Pressure Gauge Failure), and 3 more.

What other error codes does the Pentair Pentair Clean & Clear Plus Cartridge Pool Filter have?

The Pentair Pentair Clean & Clear Plus Cartridge Pool Filter has 8 other known error codes:

AIR IN SYSTEM — Air in Filter System (2 fixes)
AIR VALVE FAIL — Air Relief Valve Failure (2 fixes)
BAND CLAMP FAIL — Belly Band Clamp Failure (2 fixes)
DAMAGED CARTRIDGE — Damaged Filter Cartridge (2 fixes)
GAUGE FAILURE — Pressure Gauge Failure (2 fixes)
HIGH PRESSURE — High Filter Pressure (2 fixes)
LID ORING LEAK — Lid O-Ring Leak (2 fixes)
LOW PRESSURE — Low Filter Pressure (2 fixes)

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