Harris Regulator 721C-500-580-C - 721C500580C Pigtails Any DC TIG machine works

Any DC TIG machine works for 1/16 in ERCuSi-A at the low amperages used:

MK Products Collet 5006 Flush 72

Lincoln OEM AC-1500 NAMEPLATE L5557-2 - 9SL5557-2

Warranty claims must be processed through an authorized Lincoln Electric service center

Lincoln OEM DC CONTROL BOX ASBLY L5878-6 - 9SL5878-6

Harris Regulator 721C-500-580-C - 721C500580C Pigtails Any DC TIG machine worksHarris Regulator 721C 500 580 C 721C500580C Harris HP 721C Specialty Gas Regulator Inert Gas with 1 4" Male NPT Outlet 721C015580C The Harris HP 721C 015 580 C specialty gas regulator is a single stage, chrome plated brass, high purity regulator with CGA 580 (inert gas) inlet and 1 4" male NPT outlet. It features a 316L stainless steel diaphragm and a one piece encapsulated seat with sintered filter to prevent contamination. The HP 721C is recommended