Front Valve Block carries American Pneumatic Tool part number 1280583033 the number that superseded 18711 and is stocked here under APT18711. This part controls the working cycle of the scaler. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It shows up in the parts breakdown for the 307 & 317 Needle Scaler. The complete machine is the APT 307 Pneumatic Needle Scaler. Check it against the reference number on the diagram first; serial breaks change what fits.
Need the parts around it? They are on the same breakdown, and the parts diagram library covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280583033
- Previous part number: 18711
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT18711
- Listed on breakdowns for: 307 & 317 Needle Scaler
