Mechanical Robertshaw Thermostats

The 500 Series Thermostats are designed for years of quality performance. All models feature a hermetically sealed-in-glass mercury switch, and no subbase is required.Models are available for 24 volt heating and / or cooling, millivolt heating, and single or multistage heat pump applications.

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  • 1H/1C Mercury Free Thermostat View Specs
    • SKU: 988-1R
    • Brand: Robertshaw
    Non-Stock Item
    Allow 2-3 Weeks to Ship Out

    $15.95 / each

     
  • Horizontal Mount Mechanical Thermostat for Cooling Applications (on-off switch) View Specs
    • SKU: 500-414R
    • Brand: Robertshaw
    In Stock!
    Ships in 24-48 Hrs (1 Avail)
    On Sale!

    $20.35 / each

     
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