Overview

• Manufacturer: STIHL
• Product: Non-Return Valve 120 for pressure washer systems
• Part Number: 4950 510 0204
• Purpose: Prevents backflow and maintains prime within the pressure washer pump, safeguarding flow integrity and extending pump life
• Application: Used in STIHL pressure washers where a dedicated non-return valve is specified

Key Features

• Part Number: 4950 510 0204
• Type of machine suitable for: STIHL pressure washers and pump assemblies requiring a non-return valve
• Installation tips:
  • Depressurize and isolate the system before replacement
  • Confirm valve orientation matches the intended flow direction
  • Inspect mating surfaces and replace seals if included in service kit
  • Follow STIHL service guidelines for fastening to the recommended torque
  • Reconnect lines, purge air, and perform a leak and prime test after installation

Compatibility

• Suitable machine models: STIHL pressure washers requiring Non-Return Valve 120 (Part 4950 510 0204)
• Alternative part numbers: None listed