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The Trane Kit 2921 is a thermostatic cage assembly with a cover. It is suitable for one-half inch B2 radiator traps that feature a non-removable seat. This assembly includes a thermostatic element that releases air and water while keeping steam contained inside the heating unit. Although Trane does not manufacture complete steam traps anymore, they provide essential replacement components like this cage assembly. Each unit comes with installation instructions and a fresh steam trap cover.
This assembly works effectively to manage air and water in heating systems, maintaining optimal steam conditions.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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