MKII Series Explosion-Proof Catalytic Heater 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. Applications 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 • 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 Certifications The Cata-Dyne™ MKII Series explosion-proof catalytic heater is approved for the following: • Canadian Standards Association (CSA) for use in Class I, Division 1 & 2, Group D hazardous locations • Factory Mutual (FM) for use in Class I, Division 1,Group D hazardous locations. Temperature code T2C at an ambient temperature of 40°C (104°F) See TABLE 3 on page 14 for fuel & electrical ra

TABLE 3 - MKII Series - CSA and FM TABLE 5 - Fuel and Electrical Rating Data WXS Slim Line Series - FM Only Maximum Gas Input MODEL NO. Fuel and Electrical Rating Data Fuel and Electrical Rating Data