thermon thermostat XTWA04481

Application
The Model XT explosion-proof thermostat utilizes the
unique x-Max® system (U.S. Pat. No. 5,798,910, CDN Pat.
No. 2,212,500) to provide maximum durability, safety and
ease of use. Three basic units are available to suit most
hazardous location temperature control applications.
XT thermostats are suitable for air, duct, pipe or tank
temperature control.

Features
• approvals for all area classifications
• value engineered
• remote or local temperature sensing
• ratings to 600V, S.P.S.T. and D.P.S.T.
• multiple conduit entries
• externally adjustable with tamper-proof feature
• O-rings for moisture protection

Type XTB
The model XTB unit is normally used for remote sensing.
ACSA certified packing gland is provided to allow the 57”
capillary to exit the x-Max® housing

All XTB models are certified for Class I Groups C & D,
Class II Groups E, F & G, and Class III hazardous
locations, Divisions 1 and 2.

Type XTW
The model XTW unit is suitable for air or liquid temperature
sensing and control in all hazardous locations. For air
sensing applications, a finned stainless steel thermostat
well assembly is provided to enclose the thermostat bulb.
For liquid sensing applications, the model XTWL has an
external 1/2” NPT thread on the well assembly to permit
easy installation into the tank wall.
All XTW models are certified for Class I Groups A, B,C
& D, Class II Groups E, F & G and Class III hazardous
locations, Divisions 1 and 2.

To set the temperature in tamper-proof adjustable mode,
disconnect the power to the unit, remove the socket-head
cap screw and use a slot-type screwdriver to adjust.

Type XTK
The type XTK is a thermostat kit suitable for field
installation into other Caloritech™ products, such as the
CX explosion-proof screwplug heater. This allows these
products to be stocked without thermostat and have a kit
supplied when required.
The model XTK is available either with a thermostat well
assembly or with a packing gland and 60” capillary for
remote bulb sensing.

Construction
Housings and covers are made from copper-free extruded
aluminum. Consult page F12 for unit dimensions. Standard
models XTW and XTB have an attractive black finish.
Enclosures are provided with 3/4” NPT conduit entries on
two sides. All units are shipped with a universal bracket
suitable for horizontal or vertical mounting.