Filter Replacement Part

AquaClear Filter Hand-Tight Drain Plug

Replacement drain component for compatible Illuminex AquaClear cartridge filters.

Designed for the lower filter drain location. Confirm your AquaClear model before ordering.

Part: LU-DPHT
AquaClear filter hand-tight drain plug
Filter Drain Component

AquaClear Drain Plug

Part: LU-DPHT

Replacement drain plug for the lower drain location on compatible AquaClear cartridge filter assemblies.

Temporarily Out of Stock

Contact our team for current availability or help confirming the correct AquaClear drain plug.

Filter Drain

Replacement component for the approved AquaClear filter drain location.

Service Access

Allows the compatible filter to be drained during approved service and maintenance.

AquaClear Fit

Confirm your AquaClear model and replacement-part number before ordering.

Filter Drainage

Provides Access to the Filter Drain

The drain plug closes the designated drain opening near the lower portion of the compatible AquaClear filter.

When filter draining is required for approved maintenance, service or winterization procedures, the drain component is serviced according to the current AquaClear instructions.

This Drain Plug Is a Drain Component β€” Not a Pressure Device

βœ•It is NOT a pressure-relief valve
βœ•It is NOT an air-relief valve
βœ•It is NOT a flow-control valve
βœ•It is NOT a filter bypass
βœ•It is NOT a water outlet used during normal circulation
βœ•It is NOT a pressure-monitoring device

Compatible AquaClear Filters

This drain plug is categorized as a replacement part for the AquaClear cartridge-filter family. The models below are the current AquaClear configurations β€” exact replacement compatibility for this specific drain plug must be confirmed before ordering.

AquaClear 200 SQ. FT.
Model: LU-CF200
AquaClear Family
AquaClear 425 SQ. FT.
Model: LU-CF425
AquaClear Family
AquaClear 525 SQ. FT.
Model: LU-CF525
AquaClear Family

Do not assume this drain plug fits every AquaClear model solely because they belong to the same filter family. Confirm the exact replacement-part relationship before ordering.

Where It Fits

Conceptual location of the drain plug on a compatible AquaClear cartridge filter.

AquaClear Filter
Lower Filter Body
Drain Opening
Drain Plug

Conceptual product-location visual β€” refer to the current AquaClear filter manual and parts diagram for exact installation details.

Drain Plug Details

Only confirmed information is shown. Thread size, thread type, plug diameter, and seal design are not published unless verified in the product record.

Part Number
LU-DPHT
Service Design
Hand-Tight (per backend product name)
Application
Lower drain location on compatible AquaClear cartridge filter assemblies

Hand-Serviceable Design

Designed to be installed and removed according to the approved hand-tight service procedure.

Install the drain plug according to the current AquaClear service instructions. Do not over-tighten.

Thread specifications (diameter, pitch, NPT, NPSM, BSP, or metric) are not published unless confirmed for this exact drain plug. Filter inlet/outlet connection sizes are unrelated to the drain-plug thread.

Drain the Filter Safely

1

Stop Circulation

Turn off the circulation pump before servicing the filter.

2

Relieve Pressure

Fully relieve pressure from the filtration system according to the current AquaClear instructions.

3

Service the Drain

Remove or install the drain plug only after the filter has been safely depressurized.

Depressurize Before Service

Turn off the pump and fully relieve filter pressure before removing or servicing the drain plug.

βœ•

Never remove the drain plug while the pump is operating.

βœ•

Never loosen the drain plug while the tank is pressurized.

βœ•

Do not use the drain plug as the primary method of relieving pressure.

βœ•

Do not open the filter before pressure is relieved.

When Should the Drain Plug Be Inspected?

Visible Damage

Inspect the plug for cracking, deformation or other visible physical damage.

Seal Condition

Inspect the approved sealing component when servicing the drain assembly.

Poor Sealing

If the drain connection does not seal correctly, inspect the plug, seal and mating surface according to the AquaClear service instructions.

Replace When Necessary

Use the correct AquaClear replacement drain component when the existing part is damaged or no longer serviceable.

What's Included

Package contents come from the actual product record. No O-ring, gasket, adapter, cap, tool, or lubricant is shown unless actually included.

1 Γ— AquaClear Filter Drain Plug
Part: LU-DPHT

O-ring or seal inclusion is not assumed β€” if a seal is sold separately, it appears under Related AquaClear Replacement Parts.

Confirm the Correct Drain Plug

1

Find Your Filter Model

Locate the AquaClear model number on the filter label.

2

Identify the Drain Component

Confirm that the component requiring replacement is the lower AquaClear filter drain plug.

3

Match the Part

Confirm the filter model and approved replacement-part number before ordering.

Contact Us About Availability

Tell us about your AquaClear filter and we'll confirm the correct drain plug and availability. Your request automatically references this product.

Related AquaClear Replacement Parts

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