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this switch ensures that your inducer motor or blower is generating the necessary static pressure before allowing the ignition sequence to proceed
Rated for a single-pole single-throw (SPST) configuration
the 21L89 and 21L8901 are functionally identical and share the same technical specifications for temperature range and insert depth
carbon buildup
providing clear
Trane SWT1935 Limit Switch Els PW 17895 this switch ensures that yourFor service calls involving high temperature safety circuits, the Trane SWT1935 Limit Switch provides critical protection against heat exchanger failure. This OEM Trane replacement part, also identified by manufacturer number C340056P19, is a normally closed, SPST auto reset limit switch specifically engineered for residential and light commercial Trane and American Standard furnaces. With a 7 inch insertion length, this probe reaches deep into the
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