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the MT4 series track is typically sold separately or as part of a larger enclosure assembly
Direct OEM Fitment: Eliminates the mechanical issues associated with universal limit controls
reducing nuisance furnace lockouts
or a "bottomed out" appearance in the pulley
Siemens Building Technology RAA20U Thermostat Els PW 17895 the MT4 series track isThe Siemens RAA20U Thermostat is a high performance mechanical solution designed for precision temperature control in heating only or cooling only applications. Functioning as a two wire, gas diaphragm based room thermostat, this unit offers a reliable two position (on off) control algorithm suitable for both 24V low voltage and line voltage systems (24 to 277 Vac). As a veteran technician knows, the Siemens RAA20U is the direct replacement for 1A10
