New E-Forms: OPV Drop Tube Calculation

A new electronic version of the Defender Series™ Overfill Prevention Valve Installation Worksheet is now available. This includes a recently updated 95% volume height worksheet, to help ensure that the valve is installed at 95%.

This worksheet can be downloaded and completed by typing values and calculations directly into the form. You can then save the completed worksheet as a digital file or print it out for a clean and legible worksheet.

Download the interactive worksheet here.

FMP-LL3 Digital Probe Backwards Compatibility

Our latest digital inventory and leak detection probes (FMP-LL3 Series) are fully compatible with most legacy Franklin Fueling Systems Automatic Tank Gauges (ATGs). These newer 2-wire probes require a unique method of wiring referred to as LL2 Emulation Mode Wiring when pairing them with legacy ATGs. For a full review of the proper FMP-LL3 Series probe ATG wiring methods, including the Universal Data Protocol Mode Wiring method used for newer ATGs, refer to the quick reference diagrams below. FMP-LL3 Digital Probe Backwards Compatibility