Design features

  • Complete kit provides quick, easy installation
  • Eliminates danger of overheating
  • 100% factory tested
  • Direct acting (No pilot valve)
  • Can maintain enclosure temperature within 2°F (1.1°C) of control point
  • Self-operating, eliminates explosion hazard
  • All stainless steel body, fittings, springs, plug, heating coil and brackets
  • Ram-type plug for reliable tight shutoff
  • Unaffected by pressure
  • Long service life (36 month pro rated warranty)
  • Compatible with standard tubing and tubing connections


ITCH Assemblies will maintain enclosure temperature accurately over a wide range of ambient temperatures with steam supply pressures from 15 psig to 200 psig (1.0 to 13.8 BAR) without danger of overheating delicate instruments. No special NEMA-7 or -9 housings are required even in potentially explosive environments. Enclosure temperatures can be maintained within 2°F (1.1°C) for pennies a day.