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Clack V3008-04 WS1 Straight Drain Fitting Without Silencer – 9–25 GPM

SKU: 10440000263
Regular price £13.00
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Technical Resources

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The Clack V3008-04 WS1 Straight Drain Fitting is a genuine Clack drain line flow control (DLFC) housing designed for use with compatible Clack water softener and backwashing filtration control valves.

Featuring a 1" straight connection without a silencer, this fitting accommodates drain line flow control washers rated from 9.0 to 25.0 GPM (34.1–94.6 L/min), making it suitable for water treatment systems requiring higher backwash flow rates.

Manufactured from durable, corrosion-resistant engineering plastic, the V3008-04 provides a reliable drain connection while allowing straightforward access to the flow control washer for maintenance or replacement.

Key Features

  • Genuine Clack V3008-04 drain fitting

  • Compatible with Clack WS1 control valves and other specified Clack models

  • 1" straight drain fitting configuration

  • Designed for drain flow rates from 9.0 to 25.0 GPM

  • Accommodates one 1" drain line flow control washer

  • Supplied without silencer

  • Durable, corrosion-resistant plastic construction

  • Allows easy access to the flow control washer

  • Suitable for commercial and industrial water treatment applications

  • Ideal for water softeners and backwashing filtration systems

Technical Specifications

Specification Details
Manufacturer Clack Corporation
Part Number V3008-04
Product Type Straight Drain Line Flow Control Fitting
Compatible Valve Clack WS1 and compatible models
Connection Size 1"
Configuration Straight
Flow Rate Range 9.0–25.0 GPM
Metric Flow Rate 34.1–94.6 L/min
Flow Washer Size 1"
Flow Washers Accommodated 1
Silencer Not Included
Material Engineering Plastic

Applications

The Clack V3008-04 is suitable for water treatment systems requiring controlled drain flow during backwashing and regeneration, including:

  • Commercial water softeners

  • Activated carbon filtration systems

  • Iron and manganese removal filters

  • Multimedia and sediment filtration systems

  • Other backwashing water treatment applications

Drain Line Flow Control

The drain line flow control washer regulates the backwash flow rate, helping ensure that the filter media or softener resin receives the correct flow during regeneration.

The V3008-04 accommodates Clack V3190 series 1" flow control washers, available in the following ratings:

Flow Rate (GPM) Flow Rate (L/min)
9.0 34.1
10.0 37.9
11.0 41.6
13.0 49.2
15.0 56.8
17.0 64.3
20.0 75.7
25.0 94.6

The appropriate washer should be selected according to the vessel diameter, filter media and required backwash flow rate.

Installation Information

The fitting connects to the compatible Clack control valve using the standard drain connection locking clip.

The drain line flow control washer is positioned within the fitting assembly and can be accessed by unscrewing the retaining nut.

Please Note: The V3008-04 is supplied without a silencer. The 9–25 GPM rating refers to the range of compatible flow control washers, not a fixed flow rate. The appropriate V3190 series flow control washer must be selected separately unless specifically included with the product.

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Frequently Asked Questions

What is the main benefit of choosing the Clack WS1 V3008-04 drain fitting without silencer?
The Clack WS1 V3008-04 drain fitting without silencer offers unrestricted flow, reduces debris buildup, and prevents blocked drain lines, making it ideal for heavy sediment and iron applications.
Is the Clack WS1 V3008-04 compatible with all Clack WS1 control valves?
Yes, the V3008-04 is a direct fit for all standard Clack WS1 1-inch control valves, ensuring easy installation and reliable performance.
What are the materials used in the Clack WS1 drain fitting, and how durable are they?
This drain fitting is made from high-impact, UV-stabilized composite plastic, providing excellent long-term corrosion resistance and durability in harsh water and brine conditions.
When should I consider using the unsilenced version of the drain fitting?
The unsilenced V3008-04 is recommended for applications with heavy iron, manganese, or sediment, where maximum backwash flow and debris management are critical.
Are there any installation considerations I should be aware of for the Clack WS1 drain fitting?
Yes, ensure the drain line is securely anchored in noise-sensitive residential areas, as high-flow backwashes may cause pipe vibration due to the unsilenced design.
What is the main benefit of choosing the Clack WS1 V3008-04 drain fitting without silencer?
The Clack WS1 V3008-04 drain fitting without silencer allows for heavier debris flow and higher backwash capacities, making it ideal for applications dealing with iron, manganese, or sediment, while reducing the risk of drain line blockage.
Is the Clack WS1 V3008-04 compatible with all Clack WS1 control valves?
Yes, this straight drain fitting is a direct fit for all standard Clack WS1 series control valves with a 1-inch connection size, ensuring easy installation and reliable performance.
What materials is the Clack WS1 V3008-04 made of and why is that important?
The drain fitting is made from high-impact, UV-stabilized composite plastic, which provides long-term corrosion resistance and durability against harsh water conditions and chemicals like brine.
Can the Clack WS1 V3008-04 be used in residential settings?
Yes, although it is designed for heavy-duty applications, the unsilenced drain fitting can be used in residential environments that require a larger drain line and high flow capacity, especially when noise is less of a concern.
What should I consider when installing the Clack WS1 V3008-04 in a high-flow backwash system?
Ensure the drain line is securely anchored to prevent vibration from high-flow backwashes, especially in noise-sensitive residential areas, to maintain system stability and prevent damage.