Troubleshooting: Don’t Forget About the Furnace

Since the focus of this series is on potential sources of extraneous water, I am trying to highlight areas where water can be added to the system in large enough quantities to negatively affect system operation. One of those areas often overlooked is the furnace. There are two potential ways a furnace can deliver extra water that can cause problems for the septic system: by running with an automatic humidifier and with the condensate from the operation of high-efficiency furnaces. If you live an area like I do in Wisconsin you are painfully aware your home is dry for several months