This is a Brand New OEM ICP/Heil/Tempstar Limit Switch rated at 210 Degrees (L110-20F). The ICP/Heil/Tempstar Part # is 34335004 (also HQ34335004TD).  Thanks for looking and good luck! 

OEM Replacement for Old #s:


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Partial List of ICP/Heil/Tempstar Furnaces that use this Limit:

GDI075A012AIM GDI075A012AIN GDI075A012AINW GDI075A012BIN GDI075A012CIN GDI075A012IM GDI075A012IN GDI075A012INW GDI075A016AIM GDI075A016AIN GDI075A016AINW GDI075A016CIN GDI075A016IN GDI075A016INW GDI100A012AIM GDI100A012AIN GDI100A012AINW GDI100A012BIN GDI100A012IM GDI100A012IN GDI100A012INW GDI100A016AIM GDI100A016AIN GDI100A016AINW GDI100A020IN GDI100A020INW GDI125A020CIN GDI150A020AIM GDI150A020AIN GDI150A020IN GDI150A020INW NCC5075BFA1 NCC5075BFB1 NCC5075BFB2 NCC5075BHA1 NCC5075BHB1 NCC5075BHB2 NCC5100BHA1 NCC5100BHB1 NCC5100BHB2 NCC5125BKA1 NCC5125BKB1 NCC5125BKB2 NCG5150BKA1 NCG5150BKB1 NCG5150BKB2 NNAC050BFA1 NNAC075BFA1 NNAC075BFB1 NNAC075BHA1 NNAC075BHB1 NNAC100BHA1 NNAC100BHB1 NNAC125BKA1 NNAC125BKB1 NNAC150BKB1 NNAG150BKA1 NNAG150BKB1 NUG5125BKA1