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Graco 495st ProB Lo-Boy was engineered for crews that need pro-grade performance in a compact, low-profile chassis that slides under van shelving. Its 3000 psi (210 bar) pressure rating keeps atomization tight on interiors, while Lo-Boy 232944 frame centers the weight over rugged pneumatic tires for stair climbing without blow-outs. Contractors choose OEM parts because a single “close-enough” gasket can stall a five-person crew and burn profit by the hour.
| Metric | Value |
|---|---|
| Maximum Working Pressure | 3000 psi / 210 bar |
| Maximum Flow Rate | 0.6 gpm / 2.3 L min⁻¹ (495 PC reference) |
| Recommended Tip (1 gun) | .023-.027 in RAC X |
| Power Requirement | 120 V, 15 A single-phase |
| Frame Style | Lo-Boy, collapsible handle, 101 lb dry |
| Pump Lower | Endurance 17C718 (Chromex rod) |
Stocking 495st spares keeps more than one sprayer running. The displacement pump, filters and control boards also fit:
1. Fuel-Free Efficiency — Because the 495st is electric, a tight pump lowers amperage draw and keeps the generator on eco-throttle.
2. Longer Tip Life — Clean Easy-Out manifold filters stop grit that rounds graco nozzles and tips; lab panels show a 30 % extension in tip edge life.
3. Less Overspray — Steady pressure lets you back down to 2200 psi on finish coats, cutting masking time by half.
4. Five-Minute Pump Swaps — A spare QuikPak lower costs less than one hour of idle payroll; simply pull, pin, prime, and go.
5. Warranty Intact — The moment you drop a non-OEM seal into the mix, the lifetime drive guarantee disappears.
Top up TSL daily. A dime of throat-seal lubricant each morning keeps packings slippery.
Rotate tip sizes. Start with .021 for primer, finish with .015 doubles tip life.
Flush warm. 45 °C water dissolves latex 3× faster than cold save solvent for oil jobs.
Color-code bins. Store graco paint sprayer parts separate from gun rebuild kits to avoid O-ring mix-ups.
Log gallons. Use a dry-erase tally on the frame or the BlueLink app; rebuild at 500 K cycles.
Keep a laminated graco pump parts diagram on the trailer wall for quick torque checks.
Hit “Add to Cart” now to lock in genuine Graco 495st ProB Lo-Boy parts. Backed by Graco’s factory warranty.