Quick Answer: Simple maintenance routine: After each use – rinse with fresh water, dry, inspect O-rings. Monthly – detailed inspection, clean sealing surfaces, check electrical continuity. […]

Quick Answer: Most leaks (80%+) are installation-related, not quality defects. Common causes: O-ring damaged/pinched, insufficient torque, debris on sealing surface, O-ring not lubricated, cable not properly […]

Quick Answer: We offer direct cross-references for major brands. SubConn MCBH series → HYSF MCBH series (pin-to-pin compatible). SubConn MCM → HYSF MCM. ODI 10/15/25/40 series […]

Quick Answer: No, HYSF connectors are designed for easy installation. Basic steps: 1) Prepare cable (strip, tin), 2) Insert wires into contacts, 3) Pot/seal with epoxy, […]

Quick Answer: Cable matching is critical for reliable connections. Key factors: Cable outer diameter (must fit connector), number of conductors (must match connector pins), conductor size […]

Quick Answer: Material selection depends on your water type and conditions. Quick guide: Freshwater = 304 or 316L stainless (both fine). Saltwater = 316L stainless minimum. […]

Quick Answer: Don’t worry—we’ll help you choose. Simple rule: Pick a connector rated for at least 1.5x your maximum operating depth. If your ROV goes to […]

Quick Answer: HYSF offers flexible payment terms for international orders. Standard terms: 50% deposit with order, 50% before shipment for first-time customers. For established customers: Net […]

Quick Answer: Yes, HYSF offers sample programs for qualified customers. Standard samples (1-5 units) available at sample pricing (20-30% above bulk price). Free samples available for […]