DO Control Systems for Wastewater Treatment from Canada
Dissolved oxygen controllers that automatically adjust aeration blowers in wastewater plants to maintain optimal DO levels via probe feedback. HTS 9032.89.60 covers these automatic process regulators for biological treatment. Stabilizes against organic load variations.
Duty Rate — Canada → United States
11.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide membrane probe replacement schedules; ensure wastewater corrosion resistance; include SCADA integration specs