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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Most "no heat" calls related to this part are caused by carbon deposits or silica buildup on the rod
Industrial Build Quality: Constructed with high-grade diaphragms to withstand the thermal cycling and moisture found in high-efficiency condensing units
this programmed circuit board arrives with pre-installed software tailored for 30HX unit architecture
installing this HVAC replacement part ensures the unit stays within manufacturer specifications
Trane SWT3411 Limit Switch 319825-402 Most "no heat" calls relatedThe Trane SWT3411 Limit Switch is a critical safety component designed for precise thermal regulation within residential furnaces and HVAC systems. As an OEM high limit control, this L150F 30F switch features a fixed 150F open temperature and a 30F differential, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. Engineered for the rigors of field service, the Trane L150 30 limit switch utilizes a single
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