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Easier to Wire
• Connect wires to a wall mounted base instead of the
back of the thermostat
Easier to Use
• Simple up / down triangle shaped buttons make
these thermostats completely user friendly
• The ‘Heat On’ indicator provides operational status
Easier to View
• A bright white backlight & large numbers make it
easy to read the display in all lighting conditions
Auxiliary Sensor Options
• Floor temperature control with floor minimum &
maximum settings
• Dual temperature display of outdoor, floor or remote
temperature depending on auxiliary sensor selection
Simple Installer Access
• No need to open the thermostat to access DIP
switches
• Limit homeowner access to installer settings
The Thermostats
You Rely On Just
Got Better!
What’s New?
NEW tekmar Thermostat 518
Replaces tekmar Thermostats 507 & 508
A Watts Water Technologies Company
SetpointSnow MeltingZoning Alternative EnergyMulti-Staging HVAC Systems
What’s the Same?
Just like the previous models, the 518 & 519 are designed to maximize comfort in
radiant heating systems by providing warm floors while reducing temperature swings.
NEW tekmar Radiant Thermostat 519
Replaces tekmar Thermostat 509
Includes Slab Sensor 079