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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
The integrated internal junction box and Rajah connector high-voltage terminal provide a secure
Beyond ambient air sensing
whereas the RY series is typically a miniature relay for lighter logic-level switching (often 3A to 5A)
Always verify the part number and bore size on the existing wheel before installation
Siemens Building Technology 192-840 Retrostat Kit 326058-758 The integrated internal junction boxThe Siemens Building Technology 192 840 Retrostat Kit provides a professional grade solution for upgrading legacy pneumatic room thermostats to the high performance Powerstar TH192 standard. This direct acting, two pipe, single setpoint kit is engineered to replace existing units from manufacturers like Johnson Controls, Honeywell, Barber Colman, and Robertshaw. The unit features a highly sensitive bi metal thermostatic element and a flapper nozzle