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The TRANE Kit 2913 is a thermostatic cage assembly designed for three quarter inch B3 radiator traps with a non-removable seat. This essential component features a thermostatic element that regulates air, water, and steam within the heating system. It opens to allow air and water to escape and closes to keep steam contained. Although complete TRANE steam traps are not manufactured anymore, replacement parts such as this cage assembly are available to support repair needs.
This thermostatic cage assembly is important for maintaining the efficiency of steam systems.
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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