Graco 18H301 Contractor PowerShot XT puts fingertip pressure control on modern job sites. One squeeze dials PSI, cuts fatigue, and keeps finishes glass-smooth. With adjustment under your thumb you stay productive when every minute on the lift counts.
| Metric | Detail |
|---|---|
| Part Number | 18H301 |
| Pressure Range | 300 – 3 300 PSI (21 – 227 bar) |
| Weight | 1.4 lb (gun + whip + cartridge) |
| Compatible Rigs | All 2023-on Electric Airless Paint Sprayer platforms, including the Graco Airless Paint Sprayer Pro Series |
| Power | Integrated Li-ion (full-shift runtime) |
Switching from an SG3 gun cuts roughly 22 % of trigger pulls per gallon thanks to fewer test bursts and quicker flips from primer to finish coat. Over a 200-gallon repaint that’s thousands of skipped motions and noticeably fresher hands.
A Denver crew ran nine gallons of acrylic on a four-story loft with zero spits—saving half an hour in masking touch-ups—and the lead painter ditched nightly wrist heat packs.
Charge the Li-ion pack overnight before first use. Seat the cartridge finger-tight; hydraulic pressure finishes the seal. Flush with approved solvent for ten seconds before storage. When trigger travel exceeds one-eighth inch, pop in a fresh cartridge and recycle the old core.
In a tilt-up warehouse repaint, an operator on an 80-foot boom tunes pressure mid-arc instead of radioing ground support. Multiply that micro-saving across hundreds of moves and you free up a day on a week-long contract—often the difference between winning bids and staying profitable.
What if the battery dies?
The valve parks closed, so no dribble.
Does the lighter trigger hurt durability?
The arm is heat-treated 17-4 SS, rated for one million cycles at 3 300 PSI.
Can I use it on a non-XT rig?
Legacy pumps need Graco’s 18H300 gun; the XT speaks digitally to new models.
Skip the local Graco Distributor markup—order by noon CST and we’ll ship from Houston. Need help? Our techs rebuild Graco Spray Gun Parts daily and can spec your setup in minutes.
Each gun carries a one-year bumper-to-bumper warranty. Register online within thirty days for automatic firmware updates to the pressure module.
Residential Repaint: On a bungalow with mixed clapboard and stucco you can glide from open exterior walls to tight eaves by simply twisting the wheel two clicks, never touching the pump. The cleanup crew reported ten percent less masking waste because there was no tailing during the eave passes.
Commercial Decking: Poly-urea deck coatings demand fast curing but punish valves that stick. The PowerShot’s motor seats cleanly even at 100-degree rooftop temperatures, preventing the popcorn spatter that ruins anti-slip textures.
Fine-Finish Cabinetry: Dial the knob to sub-800 PSI, snap on a 210 tip, and atomize enamel silky enough to skip sanding between coats. Having control on the handle means you can keep the gun horizontal while tweaking, avoiding the rush of paint that happens when you flip vertical for normal adjustments.
The gun’s cast aluminum body uses forty-percent recycled alloy, cutting lifecycle CO₂ compared with steel housings. Packaging is ninety-five-percent post-consumer fiber printed with soy inks, and the tray that holds the cartridge is made from ocean-recovered PET. Even the shipping foam has been replaced by honeycomb kraft paper that composts in municipal systems within twelve weeks. Little touches, big difference: every 1 000 units sold diverts roughly two tons of virgin plastic from the waste stream.
If you measure gear by profit minutes rather than sticker price, the 18H301 is the sensible choice. Faster adjustments, healthier crews, tighter finishes—spray smarter, bid leaner, and roll into the next job without tendon burn.
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