Well, we have defined model of your device here. So just look at the list and choose manual for Lochinvar Ovens Copper-Fin boilers 010 36 68-3/4 33-1/2 15-3/4 10-1/2 10-1/2 33-3/4 2 12 1050.
On the next page you will be able to read or download PDF file.