SEAT-SERVICE VALVE

For technicians: Seat Service Valve is supplied as part 16-1138-01 for replacement during troubleshooting. Use the part number as the primary identifier when ordering. A sticking or leaking valve can cause underfill, overfill, or inconsistent cycles. A sticking or leaking valve can cause underfill, overfill, or inconsistent cycles. Symptoms often show up as overfill and may progress to leaking. After replacement, run a short test cycle and watch for leaks, vibration noise, or recurring faults. Reinstall carefully so nothing pinches, rubs, or binds once the unit is back together. A correct-fit part improves reliability and prevents small issues from becoming bigger failures. Check nearby components for secondary damage so the new part isn’t stressed immediately after installation. If the issue is intermittent, look for vibration-related wear marks and connectors that shift under load. A new Seat Service Valve often clears leaking issues caused by wear or damage. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair. Verify any model compatibility notes shown on the product page before completing the order. Keep the removed part until final testing is complete so you can compare fitment if needed. If the machine was down for a while, take the opportunity to clean the area around the repair.