Posted 12/24/2016 12:54 (#5720649 - in reply to #5720427) Subject: RE: Slick setup for early 4020 block heater
The preside console Deere heater put the hot water in the right side of the head where there are few pipe plugs threaded into the head. Got cold water by adding a T to the block drain valve on the left side like the heater pictured above. I don't know about the side console 4020 heater.