Abstract: Disclosed are methods, systems, and computer program products for collecting liquid product volume data at a dispenser. The dispenser can include first and second totalizers that receive signals from a pulser that identifies the flow rate of liquid product dispensed from the dispenser. The dispenser further includes a data acquisition unit communicating with at least the second totalizer, the data acquisition unit receives data indicative of a volume of the liquid product dispensed from the dispenser from the second totalizer. The method can include receiving a plurality of pulses at a first totalizer and a second totalizer within the dispenser. Upon receiving the pulses, the method includes generating data indicative of a volume of liquid product flowing from the dispenser. Following generating the data, the method can include sending the data corresponding to the second totalizer to at least one of a retail system and a central inventory management system.