Graco 24U993 Piston Valve
$97.66
$109.00
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The Graco 24U993 Piston Valve ensures precise sealing and flow control within your airless sprayer’s pump assembly. Ideal for maintaining consistent pressure and preventing leaks.
- Replaces older valve part 240150
- Fits UltraMax II 1095/1595 & GMax II 5900
- Used in TexSpray Mark V/VII models
- OEM Graco component for reliable performance
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Genuine OEM Part
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Graco 24U993 Piston Valve — Compatibility, Specs & FAQs
Compatible Machines
This genuine Graco 24U993 Piston Valve (piston valve/seat) is used in the following sprayer families and pump builds. Always verify your unit’s series and pump number before ordering.
- UltraMax II 1095
- UltraMax II 1595
- GMax II 5900 (and related GMax 5900/10000 variants)
- TexSpray Mark V
- TexSpray Mark VII
What is the 24U993?
The 24U993 Piston Valve is an internal fluid-section component that threads into the piston rod to control material flow and sealing under high pressure. A worn piston valve can cause pressure loss, poor spray pattern, and leakage. Replacing it restores proper pump performance.
Key Details
| Part Number | 24U993 |
|---|---|
| Also Known As | Piston Valve / Piston Valve Seat / Repair Valve |
| Supersedes | 240150 (previous valve part number) |
| Used In | Selected UltraMax II 1095/1595, GMax II 5900, TexSpray Mark V/VII pumps (verify pump build/series) |
| Function | Seals & directs fluid within the pump piston assembly to build/maintain spray pressure |
| Install Note | Valve threads into piston rod; Graco manuals note a factory thread-locking/sealing patch—do not remove it |
Frequently Asked Questions
Yes. Listings indicate 240150 was superseded by 24U993. Always confirm against your sprayer’s parts list or pump build before ordering.
Common families include UltraMax II 1095/1595, GMax II 5900, and TexSpray Mark V/VII. Certain pump builds across these series use this valve—match your pump/build number to be sure.
Manuals show the piston valve unscrews from the piston rod. The piston typically includes a factory thread-locking/sealing patch. Do not remove the patch; it is designed for a limited number of service cycles before thread sealant is required. Always clean/inspect parts during service.
Check the model, series, and the pump/build number on your unit’s parts manual or data plate, then cross-reference the parts list for your exact pump assembly.
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