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AqMatic 2-1/2" Special Valve V42H-00SX-17855 EC/DD Valve Assembly

AquaMatic V42H-00SX-17855 – 2 1/2 Inch Special Valve – EC/DD Solenoid – BUNA/EP/EP

The AqMatic V42H-00SX-17855 is a 2-1/2 inch cast iron diaphragm valve with a special configuration and energize-to-close with dry drain (EC/DD) solenoid, designed for high-flow systems that require custom control behavior and integrated drain functionality.

This model is part of the V42 series, a metal-body diaphragm valve platform used in water treatment, filtration, and industrial flow control systems. The V42 design uses a Y-pattern body that supports higher flow rates with lower pressure loss, making it well suited for larger-diameter mainline applications.

The 00SX designation indicates a special-order configuration, including drilled and tapped bosses and modified internal components for integration into systems with specific control requirements or legacy layouts.

This configuration uses an energize-to-close with dry drain (EC/DD) solenoid, meaning the valve remains open under normal conditions and closes when energized, while also providing controlled drain functionality. This is typically used in systems where line drainage, pressure relief, or prevention of trapped fluid is required during valve actuation.

The valve is built with a Buna diaphragm and EP seals and discs, supporting compatibility across water treatment, filtration, and select process applications. It is commonly deployed in automated systems using stagers and stager controls, or alongside other V42 diaphragm valves in multi-valve assemblies.

$566.99

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Description

Model Number SKU
V42H-00SX-17855 1262703
Pipe Size Connectors
2 1/2 Inch Female N.P.T
Configuration Diaphragm, Seals & Disc
Special Valve BUNA N Diaphragm and EP Seals & Discs
Internal Parts Bosses Drilled & Tapped
Special Order Boss #2, & 4
Solenoid / Float? Solenoid & Float Options
Solenoid Valve Energize to Close (EC) with Dry Drain
Solenoid Features Float Features
Special Solenoid Configuration

Key Features & Benefits

  • 2-1/2 inch V42H cast iron diaphragm valve designed for high-flow system applications
  • 00SX special configuration supports custom porting, drilled bosses, and non-standard system integration
  • Energize-to-close with dry drain (EC/DD) solenoid provides controlled shutoff with integrated drain function
  • Buna diaphragm with EP seals and discs for compatibility in water treatment and filtration systems
  • Y-pattern valve body supports higher flow rates with reduced pressure loss
  • Separate control and flow chambers improve sealing reliability and protect diaphragm components
  • Suitable for filtration, softening, and industrial systems requiring large-diameter valve control
  • Compatible with automated systems using stagers and stager controls

Additional information

Weight 21 lbs
Dimensions 12 × 12 × 12 in