Mechanical 24V Thermostat, 2-Wire Heat Only  (39-75F) Zoom

Mechanical 24V Thermostat, 2-Wire Heat Only (39-75F)


Brand: Robertshaw

200-403 has been discontinued.
Please contact customer service at
(888) 757-4774 for help finding an alternative.


Application: Heat Only
Programmability: Non-Programmable
User Interface: Mechanical
Mount: Round
Temperature Range (F): 39 to 75F

Description for Robertshaw 200-403

The 200 Series Thermostats are decorator designed and engineered for outstanding performance. All models feature Uni-Line's famous sealed-in-glass switch which requires NO LEVELING AND OPTIMUM PROTECTION FROM SWITCH CONTAMINATION. A decorating wall plate is included with all models to cover old thermostat mounting marks.

Mechanical 24V Thermostat, 2-Wire Heat Only (39-75F)

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  • Mechanical 24V Thermostat, 2-Wire Heat Only (39-75F)


    Is this thermostat suitable for millivolt applications?
    Asked on 12/25/2010 by Anonymous

    1 answer



      No it is not. Model # 200-503 (2-Wire; MV Heating) is the appropriate unit for millivolt applications.

      Answered on 12/30/2010 by PexSupply Staff from NY
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