Holman K-Rain 25mm Female Solenoid Valve with Flow Control

Upgrade your residential or commercial irrigation system with the high-performing Holman K-Rain PROSERIES 100 Valve. This 25mm female solenoid valve features a modern tilt diaphragm design, effectively reducing pressure loss and the risk of trapped debris. With its internal bleed, external bleed, and optional flow control, this durable solenoid valve ensures optimal water management and installation flexibility.

Features and Benefits

  • Contemporary tilt diaphragm design: Improves overall performance by reducing pressure loss and preventing debris buildup
  • Internal and external bleed: Enables efficient manual operation and flushing during system start-up or maintenance
  • Optional flow control: Provides precision control of the water flow according to your irrigation needs
  • 25mm female BSP thread: Ensures compatibility with standard irrigation systems and easy installation
  • 32mm slip OD: Offers additional installation flexibility for various pipes and fittings

How to Use

  1. Turn off the water supply to your irrigation system before installing the Holman K-Rain solenoid valve.
  2. Connect the 25mm female BSP thread of the solenoid valve to the corresponding male thread on the main water supply line.
  3. Attach the 32mm slip OD to the appropriate pipe or fitting, ensuring a secure connection for optimal performance.
  4. Connect the solenoid valve wires to your irrigation controller, following the manufacturer's guidelines for proper wiring.
  5. Turn on the water supply and test the solenoid valve by running the irrigation system to ensure proper functioning and adjust the optional flow control, if necessary.

Aqua Gardening Suggests These are Best For

The Holman K-Rain 25mm Female Solenoid Valve with Flow Control is the ideal choice for homeowners and landscaping professionals seeking an efficient and reliable solenoid valve to enhance their residential or commercial irrigation systems. Its durable construction and advanced features make it suitable for a wide range of applications including lawns, gardens, and landscaping projects.

Notes from Aqua Gardening

  • Ensure the water supply is turned off before installation to avoid potential leaks or injury.
  • Follow the manufacturer's guidelines when connecting the solenoid valve wires to the irrigation controller for proper functioning.
  • Regularly inspect and maintain your irrigation system to ensure the solenoid valve is free of debris and functions optimally.


What is the key feature of the Holman K-Rain 25mm Solenoid Valve that makes it suitable for residential and commercial applications?

The key feature of the Holman K-Rain 25mm Solenoid Valve is its contemporary tilt diaphragm design, which allows for a straight through flow pattern. This dramatically reduces pressure loss and minimises the risk of trapped debris that can cause failures in other valve brands.

Can the flow be controlled with the Holman K-Rain 25mm Solenoid Valve?

Yes, the Holman K-Rain 25mm Solenoid Valve comes with optional flow control, allowing you to adjust and manage the flow rate as needed.

What are the internal and external bleed options in the Holman K-Rain 25mm Solenoid Valve?

The Holman K-Rain 25mm Solenoid Valve features both an internal bleed and an external bleed, providing greater flexibility and easier maintenance.

What are the inside diameter (ID) and outside diameter (OD) of the Holman K-Rain 25mm Solenoid Valve?

The inside diameter (ID) of the Holman K-Rain 25mm Solenoid Valve is 25mm female BSP thread, whereas the outside diameter (OD) is 32mm slip. This allows for added installation flexibility.

Is the Holman K-Rain 25mm Solenoid Valve easy to install?

Yes, the Holman K-Rain 25mm Solenoid Valve is designed for easy installation with its 25mm female BSP threading and 32mm slip OD, providing added flexibility for fitting in different plumbing setups.

Can the Holman K-Rain 25mm Solenoid Valve be used in outdoor garden watering systems?

Yes, the Holman K-Rain 25mm Solenoid Valve is suitable for use in outdoor garden watering systems, as it is designed to handle residential and commercial applications efficiently.

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(SKU: KR7001)

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