Class II Transformer – 24 Volt AC, 40 VA, UL/CSA Approved : MGT-2440
October 9, 2014 - Comment
Class II Transformer – 24 Volt AC, 40 VA, UL/CSA Approved MG Electronics Class II plug in AC power supply for applications including alarm panels, door access controls and security cameras. Features an LED indicator light and +/- Screw Terminals Product Features LED Indicator Positive / Negative Screw Terminals
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It works! You will need this to install one of the newer WiFi thermostats to your existing old furnace. Have a 20 year old furnace and this worked great. If you have a 2 wire system (usually red and white, If you have a 3rd wire it is usually green and controls the fan) Connect one side of the transformer to the red wire from your furnace and the other side of the transformer to the “C” wire on the thermostat (It doesn’t matter which side, you can use either screw). Can use it on NEST, 3M or…
Class 2 transformer 0
Perfect! 0