Modine heaters are made here in my backyard racine wisconsin in fact about a year or so went with a friend to the factory to pick up the heater for his barn
http://www.menards.com/main/tools-hardware/fasteners/screws/wood/construction-screw/p-1458946.htm
I used these in 1/2 inch osb in my garage on the walls
I use this cheap works good and 16 ounces
http://www.homedepot.com/Tools-Hardware-Auto-Oils-Fluids/h_d1/N-5yc1vZ1xh7Zasj0/R-100351699/h_d2/ProductDisplay?catalogId=10053&langId=-1&storeId=10051
I had one in my garage to many False trips as in pulling in my truck every day evern starting the mower and snoeblower out side the door set it off got tired of hearing it and moved to the basement