Water furnace 5 series water to air package no electric auxiliary Water furnace NSW 018 water to water hydronic heater April there 600 Carrier high efficiency gas furnace Upon arrival homeowners immediate concerns were the water to water geothermal had no lights on the display. After initial inspection and attempted diagnostics with a power reset the display illuminated and the system is running normal. System was in standby mode and homeowner wanted to turn on for the season. Water furnace tech services recommends monitoring the system and replacing the control board if similar symptoms occur Rheem communicating high efficiency gas furnace manufactured 2016 is running in fair to good condition. This system gets very little use but fired up and ran in multi-stage gas heating mode on the first attempt Diagnostics on the aprilaire 600 concluded that the automatic controls were disabled and removed from the old geothermal and never installed anywhere else. This humidifier has never