Graco 156971 1/4 in x 1/4 in Hose Coupler Nipple
$5.25
In Stock
Graco 156971 1/4 in x 1/4 in Hose Coupler Nipple joins two 1/4" NPT airless hoses—ideal for extending hose length or adding a whip hose. Simple, durable, and compatible across NPT systems.
- Threads: 1/4" MNPT × 1/4" MNPT
- Use: Connect two 1/4" airless hoses
- Fits: Any sprayer using 1/4" NPT hose ends
- Pressure: Listed up to ~7,500 PSI (observe lowest-rated component)
- Material: Contractor-grade steel
- Tip: Use PTFE tape or sealant on NPT threads
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Product Overview & Fit Guide
Compatible Machines (1/4" NPT hose setups)
This fitting isn’t model-locked. It works with any sprayer using 1/4" NPT hose ends. Common Graco examples include:
- Magnum X5
- Magnum X7
- Magnum ProX17
- Magnum ProX19
- Magnum ProX21
- Ultra/Ultimate/Classic 395/495/595 (when plumbed with 1/4" hose or 1/4" whip)
About This Part
The Graco 156971 1/4 in x 1/4 in Hose Coupler Nipple is a compact, male-to-male connector with 1/4" MNPT x 1/4" MNPT threads. Use it to join two 1/4" airless hoses (for example, to extend your main line or to connect a 1/4" whip hose). Built for professional airless pressures with durable steel construction for long service life.
Key Specifications
| Part Number | Graco 156971 |
|---|---|
| Thread Size / Type | 1/4" MNPT x 1/4" MNPT (National Pipe Taper) |
| Function | Joins two 1/4" airless paint sprayer hoses (extension or whip connection) |
| Material | Steel (contractor-grade) |
| Typical Pressure Rating | Up to ~7,500 PSI (per common distributor listings) |
| Brand/System Compatibility | Any sprayer setup using 1/4" NPT hose ends |
Why Use This Coupler
- Quickly extend hose length without replacing existing lines.
- Add a flexible 1/4" whip hose at the gun for reduced fatigue.
- Compact, leak-resistant MNPT-to-MNPT connection.
- Compatible across brands as long as the hoses are 1/4" NPT.
Installation Tips
- Depressurize the sprayer fully and engage trigger lock.
- Apply suitable thread sealant (PTFE tape or paste) to male NPT threads.
- Thread hoses onto the Graco 156971 nipple; tighten to spec (avoid over-torque).
- Pressure-test at low pressure first, then ramp up to operating pressure.
Frequently Asked Questions
| Question | Answer |
|---|---|
| Will this work with my sprayer? | If both hoses are 1/4" NPT, yes. Check the stamping on your hose ends. |
| Can I mix it with 3/8" hoses? | Not directly. Use the correct adapter to transition between 3/8" and 1/4". |
| Is it only for Graco? | No. It’s universal for NPT systems—brand-agnostic as long as thread and size match. |
| Do I need thread tape? | Yes—use PTFE tape or thread sealant on NPT joints to prevent leaks. |
| What pressure can it handle? | Commonly listed up to ~7,500 PSI. Always observe the lowest rated component in your system. |
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