Devices for remote monitoring and control of water dispensers, namely, wireless controllers to remotely monitor and control the function and status of water dispensers; machines for making aerated and non-aerated beverages with remote monitoring, and parts therefor; post-mix soda guns with remote monitoring, namely, beverage dispensing machines with remote monitoring, not automated and not heated or cooled, and parts therefor; post-mix soda guns with remote monitoring, namely, machines for making beverages from syrups and water with remote monitoring, and parts therefor; post-mix bar guns with remote monitoring, namely, handheld beverage dispensing machines with remote monitoring, not automated and not heated or cooled, and parts therefor