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Wall Module, Temperature Only, Two-Wire Sylk
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Wall Module, Temperature Only, Two-Wire Sylk
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$82.59 each
In Stock
In Stock
Get 16 Tue, Apr 4
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Easy Returns No restocking fee for 90 days


The TR40 is a 2-wire, non-polarity sensitive, Sylk bus communicating wall modules, which communicate with Spyder® and some ComfortPoint™ programmable controllers. The TR40 is a simple LDC temperature wall modules with basic setpoint, override, and fan options, and is designed for a broad range of applications. Models are available that include humidity and CO2 sensing.

Product Features
  • Two wire, polarity insensitive Sylk provides both power and communication to the device.
  • Models available without display.
  • Models available with or without built in humidity or CO2 sensors.


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Free Shipping
On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
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Easy Returns
Returning items is as simple as 1-2-3
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy