[MBAtarga]

Originally Posted by fintstone

That looks like a fan control.

https://www.zoro.com/honeywell-center-fan-control-r8285a1048/i/G0934236/?gclid=EAIaIQobChMIyZqLjrHz6wIVZAiICR1wLgeqEAAYASA AEgI7e_D_BwE&gclsrc=aw.ds

https://www.amazon.com/Honeywell-R8285A1048-Center-Switch-Action/dp/B00QW2WSVE

Item on the left - yes.

The item on the right is a transformer. (Do a google search on doorbell transformer images.)
I'm assuming you've got a meter - what is the voltage reading on the terminals with wires connected?