Johnson Controls KIT14A 612 Flange Kit Freon The Enviro tec PE 09 6240 is a The Enviro tec PE 09 6240 is a specialized high limit cutout switch engineered for precise thermal protection in commercial fan coil units and air handling systems Rugged Construction: A durable brass body combined with Class F coil insulation supports continuous duty cycles in temperatures ranging from 32°F to 125°F ambient specifically the V46 and V47 commercial lines The construction features high durability cast iron flanges designed to withstand the thermal expansion and vibrations common in industrial chilled water and condenser cooling applications