Knowledge Base

Product Questions

Which accessories and parts are compatible with the Aventus?

The Aventus uses standard 1/8" fittings and is compatible with Gaahleri-specific Aventus series replacement needles and nozzles.

Aug 14, 2026 • Aventus Airbrushes

Product Questions

When to contact support or service?

Contact Gaahleri Support if a component is damaged or broken, air or paint leaks persist after normal troubleshooting, the airbrush still performs abnormally after proper cleaning and reassembly, you are unsure how to service an internal component, or you need warranty or replacement-part assistance.

Aug 15, 2026 • Airbrush Components

Product Questions

When the air valve needs servicing

Inspect or service the air valve if airflow continues after the trigger is released, the trigger does not return normally because of the valve mechanism, or there is a persistent air leak around the valve area. If disassembly is beyond normal user maintenance, contact support.

Aug 15, 2026 • Airbrush Components

Product Questions

Why air continues flowing after releasing the trigger

Continuous airflow after releasing the trigger usually indicates that the air valve is not closing completely. Possible causes include contamination, a sticking valve component, incorrect assembly, insufficient lubrication where applicable, or a damaged valve or spring. Clean and inspect the valve according to the model instructions.

Aug 15, 2026 • Airbrush Components

Product Questions

How the air valve controls airflow

The air valve houses a spring-loaded piston that remains closed until the trigger is pushed down. Depressing the trigger opens the internal valve seat, allowing compressed air to pass up into the head assembly.

Aug 15, 2026 • Airbrush Components

Product Questions

Which trigger components may need cleaning

Keep the accessible trigger and needle-contact areas free of dried paint and contamination. Internal components such as the needle chucking guide, spring mechanism, or trigger cavity should only be disassembled and cleaned when necessary and according to the specific model’s maintenance instructions.

Aug 15, 2026 • Airbrush Components

Product Questions

Why paint does not respond smoothly to trigger movement

Check that the needle chucking nut is secure and that the needle moves smoothly with the trigger. Dried paint on the needle, excessive packing resistance, a partially clogged nozzle, or paint that is too thick can also make paint response delayed or inconsistent.

Aug 15, 2026 • Airbrush Components

Product Questions

Why the trigger feels stiff or loose

A stiff or sluggish trigger can be caused by dried paint, contamination, incorrect spring adjustment on models that support it, or excessive resistance around the needle or packing. A loose or slow-returning trigger may be related to spring adjustment, assembly, wear, or contamination. Follow the model-specific maintenance instructions before adjusting internal components.

Aug 15, 2026 • Airbrush Components

Product Questions

How the trigger controls air and paint

On a conventional dual-action airbrush, pressing the trigger down opens the air valve, while pulling it back retracts the needle to increase paint flow. Trigger-style and single-action airbrushes may use different control mechanisms.

Aug 15, 2026 • Airbrush Components

Product Questions

How to prevent connection issues

Start threaded connections carefully by hand to avoid cross-threading and tighten them only until secure. Avoid excessive force on small brass fittings. Inspect seals and hoses periodically, and use thread sealant only on fittings that are designed to require it.

Aug 15, 2026 • Airbrush Components

Article

Primers Explained：How They Affect Your Colors.

Discover how black, white, and grey primers alter your topcoat colors. Learn to choose the right primer base for scale models and miniatures.

Aug 19, 2026 • Airbrush Components

Article

Airbrush Air Caps Explained : Differences, Purposes, Pros & Cons. Which is the right one for you.

Understand airbrush air caps: crown, fan, and round caps. Learn their pros, cons, and purposes to choose the right air cap for your painting.

Aug 19, 2026 • Airbrush Components