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.
This fitting isn’t model-locked. It works with any sprayer using 1/4" NPT hose ends. Common Graco examples include:
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.
| 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 |
| 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. |
