Intertherm MAC 1265 Oil Furnace (1980)
Posted: Tue Nov 22, 2011 11:24 pm
Hi, initially had problem getting this furnace in our new place to start.Got furnace repair man out, and when he appeared to have no answer got him to check the pipe going into the tank and he found it was too short to access the remaining oil in the tank. After extending the line and bypassing the safety switch, which kicks in after 30 seconds, he was able to restart the furnace. Problem is we attempted to extend the line in the tank further and in doing so seemed to interfere with the pressurized system. It fires up but doesn't seem to run long enough to get the oil pumping properly (rechecked the line and the oil is running through fine). So are thinking we need to bypass the safety switch as was done before to complete the process, but don't know exactly how he did it. We think the pressure is sensitive as the tank recommends lines coming from the bottom, but everything connects at the top. Would like advice as to how by bypass the safety switch as believe it should be safe in this situation. Need advice ASAP as cold out! Thanks.