SprayTech part 0276456 is a #4 stainless guide needle assembly designed to control material flow in HVLP spray guns. This precision needle works in conjunction with the fluid nozzle to start and stop paint flow, ensuring precise triggering response and consistent application. The stainless steel construction provides excellent durability and corrosion resistance for use with a wide range of coatings. A worn, bent, or damaged needle can cause improper sealing, triggering issues, spitting, or inconsistent spray patterns. Replacing with this genuine SprayTech #4 stainless guide needle assembly restores proper fluid control and reliable performance on Maxum II sprayers.
| Part Number | 0276456 |
|---|---|
| Part Description | #4 Stainless Guide Needle Assembly |
| Brand | SprayTech |
| Fits | SprayTech HVLP Maxum II Spray Guns |
| Condition | New |
The 0276456 #4 Stainless Guide Needle Assembly is a precision-machined component for SprayTech HVLP Maxum II spray guns. It works in concert with the #4 fluid nozzle to precisely control the start and stop of material flow. When the trigger is pulled, the needle retracts from the nozzle seat, allowing paint to flow; releasing the trigger returns the needle to the closed position, stopping flow instantly .
Constructed from high-quality stainless steel, this needle assembly offers excellent resistance to wear and corrosion from paints, solvents, and other coatings. The precision-ground tip ensures a perfect seal against the fluid nozzle seat, preventing drips and ensuring crisp triggering response. A worn, bent, or damaged needle can cause improper sealing, leading to spitting, dripping, inconsistent spray patterns, or poor atomization . Replacing with this genuine SprayTech #4 needle assembly restores proper fluid control and ensures professional-quality results.
| Flow control | Starts and stops material flow with trigger actuation |
|---|---|
| Positive sealing | Precision tip seals against fluid nozzle to prevent drips |
| Pattern consistency | Ensures uniform material delivery for stable spray patterns |
| Corrosion resistance | Stainless steel construction withstands harsh coatings |
| Worn tip | Visible wear or damage preventing proper sealing |
|---|---|
| Bent needle | Misalignment causing erratic flow or triggering issues |
| Spitting / dripping | Gun drips or spits when trigger is released |
| Nozzle change | When changing to #4 fluid nozzle, needle should be matched |
SprayTech part 0276456 is compatible with the following SprayTech HVLP spray guns. Always confirm fitment using the correct parts diagram for your exact model.
| SprayTech Model | Component |
|---|---|
| SprayTech HVLP Maxum II | #4 Stainless Guide Needle Assembly |
| SprayTech HVLP Maxum II (all variants) | #4 Stainless Guide Needle Assembly |
When replacing the needle assembly, consider inspecting or replacing these associated components to ensure optimal gun performance. A complete #4 projector set includes the needle assembly, fluid nozzle, and air cap .
Matched nozzle ensures proper sealing and flow characteristics.
Works with nozzle and needle to achieve proper atomization.
Inspect for wear that could cause air or fluid leaks .
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