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Home >> Manufacturers (Vendors) >> Columbus Electric (TPI Corp.) Thermostats, Relays & Controls
TPI Corp/Markel Controls & De-Humidistat, Humidistat (2)    TPI Corp/Markel Line Voltage Thermostats & Controls. Digital, Mechanical, Programmable, Non-Programmable (49)    TPI Corp/Markel Low Voltage Thermostats, Relays & Wireless Interface (20)   
TPI Corp Columbus Electric KT-121 Plug-In Inline Thermostat with piggyback plug (1)