STP/STP-LF Test Plug/Lead Free Test Plug

Lead Free 


  • Mainly used in plumbing, heating, ventilation and air conditioning installations


  • Facilitates quick pressure and temperature readings at recommended test points within process
  • Test plugs are available with brass or lead free brass wetted parts
  • Gauge adapters ship with protective aluminum sleeve
  • ASME B1.20.1 compliant
  • CRN registered
  • 5 year warranty



STP: Brass

STP-LF: Lead free brass

Diaphragm/Core NBR (Buna N)
Temperature Rating

-40°F to 302°F (-40°C to 150°C)

Maximum Pressure Rating 1,000 psi (6,895 kPa)
Connection 1/4” NPT or 1/2” NPT
Warning Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to

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