Clack Drain Line Flow Control (DLFC), 4.2 GPM (V3162-042)

Description

The Clack V3162-042 Drain Line Flow Control (DLFC) is a genuine Clack replacement flow-control washer designed for compatible WS1, WS1.25, and other Clack control valves using a 3/4" drain connection. It regulates the amount of water flowing to the drain during backwash and regeneration cycles, helping ensure the filtration media is cleaned at the proper flow rate. Clack officially lists V3162-042 as a 4.2 GPM DLFC.

Key Features

• Genuine Clack replacement part
• Part Number: V3162-042
• Flow Rate: 4.2 GPM
• 3/4" Drain Line Flow Control
• Designed for compatible Clack WS1 valve assemblies
• Helps regulate backwash and regeneration flow
• Simple replacement component
• Ideal for water softeners and backwashing filtration systems

Compatibility

The V3162-042 is designed for compatible Clack valves using the 3/4" DLFC assembly. It is listed for applications including Clack WS1, WS1.25, WS1.5, and WS2 valves.

It can be used in systems such as:

• Water softeners
• Carbon filters
• Iron filters
• Manganese filtration systems
• Backwashing filters
• Specialty filtration systems

Important: The DLFC should be selected according to the filtration media manufacturer's required backwash flow rate. The 4.2 GPM washer should not be selected simply based on valve size.

Specifications

Product Type – Drain Line Flow Control

Brand – Clack

Part Number – V3162-042

Flow Rate – 4.2 GPM

Drain Size – 3/4"

Compatible Valves – WS1, WS1.25, WS1.5, WS2 & compatible valves

Function – Controls Drain/Backwash Flow

Application – Water Softeners & Filtration Systems

Typical Applications

The 4.2 GPM DLFC can be used in appropriately sized systems. For example, some softener sizing charts specify the 4.2 GPM V3162-042 for a 14" mineral tank containing standard softening resin, while other media may require a different flow rate.

Installation

1. Place the water treatment system into bypass.
2. Relieve pressure from the control valve.
3. Remove the drain elbow/retainer.
4. Remove the existing DLFC washer.
5. Install the V3162-042 4.2 GPM washer.
6. Reinstall the retainer and drain assembly.
7. Restore water pressure and check for leaks.
8. Run a backwash or regeneration cycle to verify proper operation.

Installation tip: Clack specifies that water flow should be directed toward the washer face with the rounded edge and identification markings.

Why Choose the Clack V3162-042?

The Clack V3162-042 4.2 GPM DLFC is an important component for maintaining the correct backwash and regeneration flow in compatible water treatment systems. Using the properly sized DLFC helps ensure the media bed is cleaned effectively without excessive or insufficient flow.