Harrington - H700 LDH Hydrant Assist Valve

Note: Due to the variety of available configurations, prices vary. For current availability, lead times, and a quote tailored to your needs, please call us directly.

The Harrington H700 LDH Hydrant Assist Valve, commonly known as the Hydrassist, is engineered to enhance water supply efficiency during firefighting operations. This lightweight, durable valve allows for the initial pumper to establish a large-diameter hose (LDH) line directly from the hydrant to the fire scene. Once the hose lay is complete, water flow can commence immediately. If additional pressure is required, a second pumper can connect to the Hydrassist valve to boost pressure and flow without interrupting the established water supply. The valve also provides an emergency shut-down capability, ensuring safety and control during critical operations.​

Key Features:

• Enhanced Pressure Management: Ideal for boosting pressure on long hose lays or compensating for low hydrant pressures, ensuring consistent water flow to the fire scene.​

• Seamless Integration: Allows the first-in pumper to lay LDH directly from the hydrant to the fire, with the capability to start water flow immediately upon hose lay completion.​

• Secondary Pumping Capability: Enables a second pumper to connect and augment pressure and flow without disrupting the existing water supply line.​

• Emergency Shut-Down: Features an emergency shut-down function for enhanced safety and control during operations.​

• Low Friction Loss: Designed with minimal friction loss, measuring approximately 3.36 PSI at 1,000 GPM and 4.86 PSI at 1,200 GPM, ensuring efficient water delivery.​

• Durable Construction: Constructed with high-quality materials to withstand the rigors of firefighting environments.​

• Compact and Lightweight: Weighs approximately 35 lbs with dimensions of 13” H x 12.75” L x 17” W, facilitating easy handling and deployment.​

Specifications:

• Inlet Sizes: Available in 4", 4.5", and 5" NH female swivel long handle or Storz lock part-time swivel.​

• Outlet Connections: Equipped with (3) Storz lock outlets, available in 4" or 5" sizes, accommodating various hose configurations.​

• Friction Loss: Approximately 3.36 PSI at 1,000 GPM; 4.86 PSI at 1,200 GPM.​

• Dimensions: 13” H x 12.75” L x 17” W.​

• Weight: Approximately 35 lbs.​

Applications:

• Firefighting operations requiring extended hose lays.​

• Situations with low hydrant pressure necessitating pressure augmentation.​

• Scenarios demanding uninterrupted water supply during pump transitions.​

The Harrington H700 LDH Hydrant Assist Valve is an essential tool for fire departments aiming to optimize water delivery and maintain control over pressure dynamics during critical firefighting operations. Its robust design and versatile functionality make it a reliable choice for enhancing fireground efficiency and safety.​

Harrington H700 Hydrassist Product Variations