Simder TIG machines ship with a WP-series air-cooled torch (17V-class valve or pedal-controlled depending on model). Higher-amp continuous work benefits from upgrading to a WP-26 water- or air-cooled setup.
WP-17 vs WP-26 - which torch do I need?
WP-17 is the rigid 150-amp-class torch for general work; WP-26 handles up to 200 amps with a larger handle and better heat tolerance. Both use the same consumable family, so cups and collets interchange.
Can I replace a TIG torch myself?
Yes - torches connect with a Dinse plug plus a gas and control connector. Swap takes minutes; just match the amp rating and connector style listed for your machine.
Why does my TIG torch overheat?
Exceeding the torch's duty-cycle amp rating, a degraded power cable, or a loose Dinse connection. Air-cooled torches running near max amps need cool-down breaks - step up a torch size for sustained high amperage.
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