Submitted by Gary Miller at Aqua-Hot. Required to support the increasing sophistication of hydronic heating systems, such as independent circulation pumps, integrated current sensors, and other sensors and features. The following are modified: 1FFF6h WATERHEATER_COMMAND 1FFF7h WATERHEATER_STATUS New DGNs 1FE99h WATERHEATER_STATUS_2 1FE98h WATERHEATER_COMMAND_2 1FE97h CIRCULATION_PUMP_STATUS 1FE96h CIRCULATION_PUMP_COMMAND