FLEX TC-100 Temp Control BundleOur TC 100 temp control system will manage both cooling and heating of your FLEX. The digital controller's temp probe inserts into the included thermowell that attaches to the secondary port of the FLEX. Also included is a specially fitted neoprene jacket which features reinforced port holes to reduce the chance of ripping during install. Lastly, (and maybe the coolest item) is our special insulated tubing. This greatly reduces tube cooling losses and