Quick Connect Coupling | 3/4″ ID Hose x 1/2″ Male with 10399 O-Ring

The 10378 3/4″ ID Hose x 1/2″ Male Quick Connect Coupling provides a reliable, leak-free connection for water filtration and fluid-handling systems. Supplied with a 10399 O-Ring, this coupling ensures a tight seal and long-term performance. Its quick-connect design allows fast installation and easy servicing, making it ideal for residential, commercial, and OEM water-treatment applications.

Technical Specification

• Part Number: 10378
• Hose Size: 3/4″ ID
• Outlet Connection: 1/2″ Male Quick Connect
• Seal Type: 10399 O-Ring
• Installation: Push-to-connect
• Application: Water filtration & fluid transfer

Key Features

• 3/4″ ID hose to 1/2″ male quick connect connection
• Includes 10399 O-ring for secure sealing
• Leak-resistant, dependable fit
• Quick-connect design for fast installation
• Compatible with water filtration and fluid systems

Applications

• Water filtration systems
• Reverse osmosis (RO) systems
• DI tanks and hose assemblies
• Commercial water equipment
• OEM and replacement installations

Shipping Information

Orange Phone Solutions is committed to fast, reliable, and professional fulfillment for our authorized dealer network.

Fulfillment & Processing

• Order Processing: Most in-stock orders ship within 1–2 business days

• Custom/OEM Builds: Lead times vary by configuration; your sales representative will confirm timelines

Shipping Coverage

• Domestic: Nationwide shipping throughout the United States

• International: Available for qualified distributors (terms and transit times vary)

Carriers & Methods

• Shipments are sent via trusted national freight and parcel carriers

• LTL/FTL freight available for pallets and bulk orders

• Expedited shipping options available upon request

Packaging & Handling

• Products are professionally packaged to protect against damage in transit

• Palletized and freight shipments are secured and labeled to industry standards

Tracking & Support

• Tracking information is provided once your order ships

• Our logistics team is available to assist with routing, delivery coordination, and special requirements

Important Notes

• Shipping costs are calculated based on weight, dimensions, destination, and service level

• Damages or discrepancies must be reported within 48 hours of delivery

• Products are sold exclusively through authorized water treatment dealers and partners