A product dispensing system includes at least one recirculation network configured for communication with a system pump. The at least one recirculation network includes at least one sprayer boom tube and a plurality of product dispensers distributed along the at least one sprayer boom tube. A network pump is in communication with the at least one sprayer boom tube. The at least one recirculation network includes a dispensing configuration and a recirculation configuration. In the dispensing configuration the recirculation network is configured for communication with a supply tank and an agricultural product reservoir. In the recirculation configuration the recirculation network is isolated from the supply tank and the agricultural product reservoir, and the recirculation network includes a recirculation loop continuously extending through the network pump and the at least one sprayer boom tube.