Rheostats and Potentiometers
Miller Electric® power supplies use the following individual rheostats and potentiometers. If you do not see the part you need, contact us.
Note: Items shown are not Miller OEM. Miller buys these on the open market; there is nothing proprietary in the original Miller parts.
All items shown on this page are sold by Weldmart-Online LLC and carry a two-year warranty! Miller replacement parts warranted for 90 DAYS!
These rheostats are used on the following units: SRH-222. SRH-333, SRH-444, SRH-555, SRH-666, MP-30E, MP-65, MP-65E, MP-75
15 ohm, 150 watt replacement rheostat
Weldmart-OnlineP/N: 030653
15 ohm, 150 watt replacement rheostat
Weldmart-OnlineP/N: 222996
These rheostats are used in Miller engine drives units: Big 20, Big 40, Big 50, Trailblazer and many more.
Weldmart-OnlineP/N: 207177
Weldmart-OnlineP/N: 205839 (Supersedes 117243)
These rheostats are used on the following units; Bobcat 225, 225G, 225 D, 225NT, 225 G Plus, 250, 250D, 250FE, 250 NT, Bluestar 145 and 185.
10 ohm, 100 watt replacement rheostat
Weldmart-OnlineP/N: 205839
50 ohm, 150 watt replacement rheostat
Weldmart-OnlineP/N: 241165
These potentiometers are used on Miller Spool Guns and Miller Wire Feeders:
1K-1turn-1 watt Potentiometer for Miller Welders, P/N 072462
10K-2 Watt Potentiometer for Miller Welders,
P/N 072562