TST Tridicator Shut-off Thermowell



  • Boilers and hydronic heating systems


  • Spring loaded allowing TST to stay open when tridicator is installed. Once tridicator is removed, thermowell closes preventing media from exiting the system
  • Minimizes system downtime with quick instrument replacement
  • CRN Registered
  • Up to 250 psi pressure rating (matching TTD Tridicator)
  • 5 year warranty


Material Brass
Tridicator Connection

1/4″ or 1/2″ NPTM standard

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 www.P65Warnings.ca.gov.

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