Every paint shop cleans spray guns; the question is whether it happens in a bucket of dirty thinner or in a station built for the job. Bucket washing wastes solvent, exposes painters to fumes and splash, and still leaves guns half-clean. A purpose-built spray gun washer fixes all three problems — the real decision is manual, automatic, or both in one cabinet. Here’s how to choose.
What a Manual Station Gets You
A manual washer like the Kresco GW300M gives the painter an air-powered wash gun, a brush, a flow-through wash nozzle, and — critically — a clean-rinse nozzle fed from a separate reservoir, so the last thing that touches your gun is clean solvent, not recirculated gray wash. It’s ergonomic-height, handles gravity- and suction-feed guns plus disposable cup adapters, and works with either solvent or waterborne cleaners. Fume extraction kicks in automatically when the lid opens, and a safety interlock stops the cycle if the lid lifts mid-wash. For shops washing a handful of guns a day with an operator present, manual is simple and thorough.
When Automatic Pays for Itself
If your painters change colors or coatings several times a shift, gun washing becomes a queue. An auto-manual combo like the Kresco GW500A adds two automatic stations for gravity-feed guns and one for suction-feed: load the gun, close the lid, and keep painting while it cleans. The full manual station is still there for detail work. Same hybrid solvent/waterborne capability, same fume extraction and interlock, same 2-year parts / 5-year pump warranty — the difference is your painter’s time back.
The Math Most Shops Miss: Where the Dirty Solvent Goes
A gun washer concentrates all your cleaning into one reservoir — which means it also concentrates your solvent spend and your hazardous waste. That’s exactly the situation a solvent recycler is built for: distill the dirty gun-wash solvent back to 97%+ clean, pour it back into the washer, and stop paying twice — once for new solvent, again for waste disposal. For a shop running a gun washer daily, a small batch recycler like the SR30V typically pays for itself well inside a year. Run your numbers in our ROI calculator.
Quick Comparison
| GW300M (Manual) | GW500A (Auto + Manual) | |
|---|---|---|
| Wash stations | 1 manual | 1 manual / 1 automatic |
| Capacity | 1 gun + 1 cup | 2 guns + 2 cups |
| Best for | Occasional color changes, single painter | Frequent color changes, busy booths |
| Footprint (W) | 21″ | 28″ |
| Warranty | 2 years parts / 5 years pump | |
Not sure which fits? We also carry wall-mounted and dual-station models — browse all spray gun washers or talk to us about your booth setup, gun count, and coatings, and we’ll spec the right combination of washer and recycler.
