MKII Series Explosion-Proof Gas Catalytic Heater

Brand: Thermon Cata-Dyne™
Does not ship to Virginia, United States

Our Cata‑Dyne™ MKII Series explosion-proof catalytic heater has sleek side mount controls ideal for customers seeking to reduce costs with easier and quicker heater installation.
  • Heater box constructed of 300 series stainless steel for corrosion protection
  • Cata‑Dyne™ proprietary explosion-proof catalyst pad
  • Standard 3/8" NPT gas connections
  • Cata‑Dyne™ heaters are designed to operate on either natural gas or propane
  • Cata‑Dyne™ heaters do not require electrical power to operate once they have been started
  • Our QuikSTART heater technology reaches the catalytic threshold faster, bringing the heater to full operating temperature in half the time
  • Shorter thermocouple is nickel plated with an added polymer sleeve to enhance the corrosion protection for a stronger electromagnetic connection to the safety shut-off valve (SSOV)
  • All gas control components as well as all electrical connections are side mounted for easy installation and access
  • Side mounted rating plate for easy visibility
  • Single start up element with the same power and wattage rating as used in the standard WX heaters dual elements
  • Heater contains no moving parts and is designed to operate indefinitely when supplied with air and clean fuel
  • Internal heater components such as our proprietary catalyst pad and preheat Caloritech™ tubular element are manufactured in‑house


Agency Approvals

  • CSA Class I, Div. 1 & 2, Group D
  • FM Class I, Div. 1, Group D

Enclosure, Body Material

  • Heater Box: 300 Series Stainless Steel

NPT Connection

  • 3/8” NPT Gas Connection


  • Natural Gas
  • Propane

The Cata‑Dyne™ MKII Series heaters are used in many different applications that involve spot or space heating where hazardous materials may be present.

These include:
  • Comfort heating for industrial buildings and installations
  • Freeze protection for equipment or components
  • Drying or curing processes

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