(2) heater units for use with an outdoor wood boiler. I removed them from two garages on a home that I purchased that used to have a wood boiler. The Trane has a 75k BTU plate on it. I am not sure about the other one. First $400 gets them both. Both have 110 plugs on them. They were plugged into wall thermostats with outlets on them (I don’t have the thermostats - not included).