I use 2 love controllers for my brew rig. One for the HLT and the other will be for the MT. Because my mash is direct fire, I find it best to have two thermometers, one below the false bottom and one in the mash itself. this gives a more accurate temp reading when recirculating.
Boiling Equipment: 20 Gallon OBKettle Heavy Duty 304SS
Fermentation Vessels and Equipment: Ss BrewTech 14 Gallon Chronical Fermenter with Neoprene Jacket
Wort Chillers: The Block Wort Chiller (41 Plate Chiller)
Plumbing, Pumps and Hardware: 2 march 809, one for HLT and the other for Mash recirculation at BK transfers