Thermowells Standard manufacturing tolerances Series CT260 Standard Standard with Lagging Extension Standard Flanged Heavy Duty Heavy Duty with Lagging Extension Heavy Duty Flanged Weld-In Type Weld-In Type with Lagging Extension Sanitary Type Sanitary Weld-In Type Limited Space Socket-Weld Type Series CT385 Standard Standard with Lagging Extension Standard Flanged Heavy Duty Heavy Duty with Lagging Extension Heavy Duty Flanged Weld-In Type Weld-In Type with Lagging Extension Sanitary Type Sanitary Weld-In Type Socket-Weld Type Series CT260/CT385 Test Type Van Stone Type Series CT433 Standard Brass Series CT787 Glass Thermowell Glass Thermowell with Lagging Extension