• Aftermarket replacement for the Bendix SC-3 800373 single check valve.
  
• Inlet A: 3/8" pipe thread.
  
• Outlet B: 3/8" pipe thread.
• SC-3 valves replace both the SC-1 and SC-2 valves.

The in-line single check valve allows air flow in one direction only. Several sizes and configurations are available to accommodate various piping arrangements. Single check valves are used in air brake systems to prevent loss of remaining system pressure if another reservoir, or hose etc. upstream in the system fails. Cross References: 107587, 227856, 227870, 228195, 281349, 5001338 A cross reference listing means that this valve is a suitable replacement for the part numbers listed. Some changes in air line plumbing may be required.