Saf-Air Drain Valve 3750H 3/8-24

Part# 05-02690
MFR Model# 3750H


SAF-AIR Products, Inc. has taken its very dependable fuel drain valve and added a new feature – it locks in the open position! This valve makes the operation of the pre-flight check for contamination and water in the fuel system very easy. This valve is so unique that SAF-AIR Products, Inc. received a United States patent on its design. Models 1250 & 1250H are popular choices to install on gascolators. FAA & TSO-C76 APPROVED.


  • Eight models in two styles, with or without 1/4" hose adapter
  • All valves can be rebuilt
  • New feature - it locks in the open position
  • Standard fuel resistant Viton® o-rings included
  • Push-to-test, or push-and-turn to lock open
  • Effortless operation with sure grip knob
  • Double-sealed to prevent leakage

O-Ring Replacement


  • MATERIAL: 360 Brass
  • FINISH: Natural
  • TEMPERATURE: -60° to +260°F (-51° to +127°C)
  • O-RINGS: All valves M83248/1 Size -006
  • PRESSURE: 60 PSI max
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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

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