or Exhaust Duct Temperature (EDT) sensor depending on its placement within the air handler or ductwork

while the differential is adjusted independently via the secondary scale to determine the specific reset point

Smith 100133618 part numbers ensures correct flange alignment

0 ppm or less

eliminating the need for universal brackets or field adjustments

Mueller Industries A15099 Seal Cap Sub Assembly 319848-301 or Exhaust Duct Temperature (EDT)The Mueller Industries A15099 Seal Cap Sub Assembly is a precision engineered brass service valve cap designed for high pressure refrigeration and HVAC applications. Often cross referenced as A 15099, this heavy duty OEM replacement part is critical for maintaining system vacuum and preventing refrigerant loss at service ports. Built by Mueller Streamline Company, the assembly features a 1 1 16" thread size and a 1 1 4" outer diameter, providing a