SA-200 Temperature

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Just recently installed new thermostat on my 1975 SA-200; if I am not mistaken I believe it was a 180 degree thermostat (my old mind could be wrong but I think thats what it was). Yesterday I installed a temperature gauge; used the location on the head - large allen head plug; place temperature gauge on left front panel. Everything seems to work correctly, the temperature stays right at 190 degrees. My concern is what is the correct thermostat for the welder, I have looked thru all my parts books, checked Inet; the welding sites that sell thermostats only show a price and no degree setting. If my thermostat is 180 degree and the gauge is steady at 190 degrees, does that sound reasonable? Thanks for any info on this.
Reply:I have an early 70's SA200 with a temp. gauge installed in the same place as you describe. Have no idea what thermostat is in it (the original as far as I know) but the gauge reads the same steady 190 degrees as yours.
Reply:Have a 160 in mine and it stays 170. it sounds like everybody is 10 deg. the same1990 SA 200Miller 225  Rip Miller302Miller 135Lincoln 200 MigHypertherm 600 PlasmaPlasma Cam Cutting TableMikita Cold SawJL Welding Tx . com