DiversiTech TT-240 Tattle-Tale Monitor 240V 3-Pack

DiversiTech TT-240 Tattle-Tale Control Monitor is a small monitoring device that can be used for diagnostics of HVAC system problems. These monitors come in a pack of three and they are designed for use in 120VAC circuits. It can resist several environmental factors. Connecting the TT-240 is easy, it should be connected in parallel with each safety control circuit. The monitor has a basic design in that it has only one LED light. When electricity is passed through the circuit and the control works as required the LED is lit. A non-illuminating LED on the other hand, as soon as the circuit has a fault such as a tripped safety switch, an open fuse or a control malfunction, the LED instantly detects the fault.