Description Campbell Tank Fitting Package — TFP & TFPCP Series by Campbell Manufacturing. Complete unassembled tank fitting packages — all components included and boxed TFPCP series: packages built around Constant Pressure Manifold (CPM) TFP series: packages built around various tank tee and cross configurations Includes tee/cross, pressure switch, nipple, gauge, drain valve, relief valve (varies by package) Lead Free (LF) and stainless steel (SS) options available Select Package from the dropdown