Hot Tub Coupling 1″ x 3/4″ Barb Reducer
Product Overview
We supply this versatile reducing coupling designed to connect 1″ and 3/4″ flexible spa hoses. This fitting enables smooth transitions between different pipe sizes in spa and hot tub plumbing systems.
Key Features
- Dual-size barb design (1″ to 3/4″)
- High-performance construction
- Chemical resistant
- Reinforced barb profile
- Temperature stable
- Graduated internal flow path
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 1429-131 |
| Material | High-grade PVC |
| Large End | 1″ Barb |
| Small End | 3/4″ Barb |
| Type | Reducing Barb Coupling |
| Temperature Range | 40°F to 140°F |
| Color | White |
| Application | Wet-end Plumbing |
🔧 Parts and fittings for this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Silicone, DOW 732, 3oz Tube, Clear | DC-732-CLR-3 | 186 in stock | $17.88 | Add to cart |
Applications & Use
This reducing coupling is ideal for:
- Flow reduction points
- System transitions
- Feature connections
- Equipment adaptations
- Circulation systems
Installation Tips
- Clean both hose ends
- Install larger size first
- Use appropriate sized clamps
- Ensure full barb engagement
- Check flow direction
Compatibility
Designed for use with:
- Flexible PVC spa hose
- Standard hot tub systems
- Water features
- Auxiliary equipment
- Transition points
Note: Professional installation recommended for optimal performance












