Restore reliable shut-off and consistent trigger feel with the ASAB GHB133 Gun Repair Kit. Designed to service the internal wear components of the GHB133 Airless Gun, this kit is the correct choice for resolving common performance issues caused by seal and valve wear—helping bring the gun back to clean operation, stable flow, and dependable control on the job.
Key benefits
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Restores positive shut-off to minimise drips and improve control at the gun
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Reduces weeping and pressure loss caused by worn internal seals/valve components
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Improves spray consistency by maintaining stable flow through the gun body
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Extends gun service life with a proper wear-component refresh instead of replacing the full gun
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Built to suit GHB133 guns
Service and fitment notes
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Recommended when you see leaks at the gun, poor shut-off, inconsistent trigger feel, or difficulty holding pressure.
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Best practice: keep filtration and straining on point—contamination is what chews through seats and seals fastest.
Safety Check
Before servicing any airless gun, complete full pressure relief: power off, engage gun safety, trigger into a grounded waste bucket, and open the prime/bleed valve. Never loosen fittings under pressure—fluid injection injuries are a medical emergency.