Graco 155570 Swivel Union 1/4 in NPT (M) x 1/4 in NPSM (F)

Graco 155570 Swivel Union (1/4" x 1/4") — Smooth, Tangle-Free Hose Rotation

The Graco 155570 Swivel Union is a compact, heavy-duty connector designed to reduce hose twist and improve gun control on professional spraying setups. With 1/4" NPT male-to-female ends, it installs between your spray hose and gun to allow free rotation under pressure, minimizing operator fatigue and maximizing finish quality.

Where It Fits

• Interfaces with Graco spray guns and hoses using 1/4" NPT threads.
• Ideal for common contractor rigs, including popular Graco electric and gas units (e.g., Ultra Max II, GMax, GH series) that use 1/4" hose/gun connections.*

*Always confirm thread size and configuration on your specific gun and hose before purchase.

Where It’s Used

• Interior and exterior architectural coatings: walls, ceilings, siding, trim.
• Commercial/industrial jobs: primers, acrylics, enamels (per equipment specs).
• Any application where hose memory or twisting reduces control or causes hand strain.

Key Advantages

• Improves maneuverability around ladders, scaffolds, and tight spaces.
• Helps maintain a consistent spray fan and finish.
• Durable metal construction built for daily jobsite use.
• Quick, straightforward installation between gun and hose.

Helpful Shopping Notes

• Connection: 1/4" NPT (M x F)
• Position: Between spray gun and hose whip/main hose
• Care: Keep threads clean; use suitable thread sealant where required

Looking for related components? You can explore complementary graco paint gun parts and essential graco airless sprayer parts to complete your setup. If you’re planning maintenance, pair this swivel with a compatible rebuild kit for graco spray gun and consider a matched spray gun nozzle kit for consistent pattern control. For a broader selection of handles, filters, tips, and seals, browse our full range of graco paint sprayer gun parts at SprayersAndParts.com.