allowing for consistent spray pressure and preventing blockages that could disrupt the sprayer's performance

For Pump Model: 224:343

These models offer quality components like silicon carbide seals

The needle assembly can be removed thru back of gun

as well as a 1-1/2 quart plastic cup for larger volume jobs like painting or staining decks and fences

Graco Pressure Control Board 120V Ultra 395/495/595, UltraMax II 490/495/595 125 Micron allowing for consistent spray pressureGraco Genuine OEM part 246379 Pressure Control Board (120 Volt). Fits models Ultra 395, 495, 595; Ultra Max II 490, 495, 595; Ultimate Nova 395, and SuperNova 495, 595 Sprayers. Consult your owners manual before ordering this part, as they differ from model to model. Choose electrical parts carefully. All sales on electrical parts are final. This is the standard 120 Volt Version.