One And One Half Inch Duckbill Valve Kit Replacement For RV And Boat Toilet And Refrigerator Vacuum Generators S T J VHT VG Series Pumps Backflow Prevention Kit Four Pack

1.5-Inch Duckbill Valve Kit for RV/Boat Vacuum Pumps
✔️ 4-pack 1.5 in duckbill valves for S, T, J, VHT, VG series pumps

Keep backflow out of your RV or boat vacuum system and refrigerator vacuum generator with this 1.5-inch duckbill valve kit. It's designed to prevent wastewater from flowing back and to maintain a strong system vacuum. Compatible with S, T, J, VHT, VG series pumps (VG4, VG3, VGLP, SW12, SW24, TW14, TW24). Use as a replacement for worn valves to maintain performance.

✅ 4 x 1-1/2" duckbill valves included (pack of 4)
✅ Rubber construction provides tight seal, high temperature resistance, and long life
✅ Prevents backflow and debris buildup, maintaining smooth drainage and vacuum
✅ Designed for easy direct replacement on S, T, J, VHT, VG series vacuum pumps
✅ Compatible with VG4, VG3, VGLP, SW12, SW24, TW14, TW24 models

💡 What is a duckbill valve used for in RV and boat vacuum systems? A handy part that prevents backflow and protects pumps in RV and boat vacuum setups. - Prevents backflow in vacuum generators and discharge pumps - Maintains system vacuum and reduces debris buildup - Compatible with S, T, J, VHT, VG series pumps - Easy replacement with a 1.5 inch duckbill valve kit