Replacement flow adjustment knob fits 3 or 4 position handpiece control blocks on A-dec style of delivery units.
Product Details:
- Version 2 (3 and 4 position) design
- For A-dec Models: 332, 333, 334, 335, 336, and 541
- Fits the double flat stem
- Made of gray polyurethane.
- OEM #38-1823-00
- Pkg. of 5
Manufacturer Installation Instructions (link)
SHIPPING: A-dec style of the flow adjustment knob ships directly from the manufacturer. Please allow 7-10 business days for delivery. If returned, 15% restocking fee will apply.
What office managers notice about the Flow Adjustment Knob (A-dec Style) is not any single feature — it is the absence of problems. No callbacks, no compatibility issues, no mid-procedure failures. Within the a-dec category, this product competes on specifications and exact-fit reliability rather than price alone.
What Buyers Are Saying
“Parts must meet your 100% complete satisfaction. No arbitrary time limits on the warranty.”
— RPI Satisfaction Guarantee
“Literally identical to what we would receive from the OEM, at a much better price.”
— Dental Equipment Technician