Image FloTech® Checkmate Plug-n-Play Overfill Probe Jump to Section Product Options Related Products Product Options Part Number Length FT150P 7" FT150P-12 12" FT150P-18 18" Related Products Image FloTech® Checkmate Overfill/Retain Plug-n-Play System Sensor Image FloTech® Checkmate Plug-n-Play Retain Sensor Image FloTech® Checkmate Plug-n-Play Stand Alone Dual Socket Assembly Image FloTech® Checkmate Plug-n-Play Stand Alone Monitor Image FloTech® Stand Alone Socket Assembly Image FloTech® Checkmate Overfill/Retain Plug-n-Play System Wiring Harness Image FloTech® Replacement Parts