Circulation Heaters
CW & CO Water And Oil Circulation Heaters

Type CW Water circulation heaters contain copper sheathed tubular elements. A thermowell accomodates AT thermostats with style "S" bulbs with temperature range from 60 deg F. to 250 deg F. Type CO Oil circulation heaters contain steel sheathed elements. The 22 watts-per sq. inch series is suggested for heating regular oils and heat transfer media. The 12 watt-per sq. inch series is used for heating heavier oil and fuel oils.
A thermowell accomodates AT thermostats with temperature range from 200 deg F. to 550 deg F. on the 22 watts-per sq. in. series; from 60 deg F. to 250 deg F. on the 12 watts-per sq. in. series. Type M indicating thermostat is also available with temperature range from 100 deg F. to 650 deg F. Optional Features

• Special Wattage or Voltage (within practical limits)
• Type AT thermostat (installed)
• Flexitallic Gasket - Series 3 and 6 for Dowtherm and similar fluids
• Explosion or moisture resistant terminal enclosures
• Element over-temperature cut-out (thermocouple attached to an element)
  
  - Type J for liquid - Type K for gas
• ASME Coded
• Flanged inlet and outlet:
  • Series 3 (1"-150#)
  • Series 6 (2"-150#)
  • Series 8 (2-1/2"-150#)