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T8400 Programmable Thermostat
T8400
 
The T8400C, T8401C Standard Electronic Thermostatsprovide single-stage, non-programmable temperature control for 24V heating-cooling systems with manual changeover from heat to cool.

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Literature
Owner's Manual Adobe Acrobat Required
Installation Instructions

T8400 Programmable ThermostatT8400 Programmable Thermostat

 

T8400 Programmable Thermostat-FAQ    

Features

  • Attractive styling complements any decor.
  • Large display for quick easy readability.
  • Conveniently sized 3-1/2 x 3-1/2 thermostat with optional decorator cover plates (3-7/8 in. x 3-7/8 in. and 5-3/4 in. x 5-3/4 in.)
  • Keys are located for easy access.
  • FAN and SYSTEM switches are located on the lower edge to eliminate accidental setting changes.
  • Manual changeover from heat to cool eliminates unexpected system operation.
  • F or C temperature display for added model flexibility.
  • Setpoints are permanently held in memory (no batteries used) and retained during power.
  • Power stealing and hardwired models available for virtually all equipment and application needs including; gas, oil and electric forced air, condensing gas furnaces, hydronic heat, gravity and radiant floor heat systems.


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