Model confirmation before quotation
| Check item | What to confirm |
|---|---|
| Valve size | Confirm 4V300 body size and whether 4V310-10 is the installed reference. |
| Port | Check 3/8 inch port size and thread standard. |
| Voltage | Send coil voltage and connector photo if available. |
| Mounting | State single valve, manifold mounting, silencer, or spare coil needs. |
