Replacement of Suburban water heater...
Replacing a Suburban water hater (SW12DE). Removing and replacing seemed pretty straight forward, however... Upon removing the old unit, there were four wires that had to be disconnected from the RV i...
Forum Discussion
Suburban has 2 models of 120 dsi water heaters. Your OLD unit has the 12 volt activated 120 relay that that white wire was connected to the orange. The white should have 12 volts when you turn the inside 120 water heater switch ON. Your new unit, does NOT have the relay and was the older style that had direct 120 to the water heater. You had to have either a 120 rated inside wall switch to turn it ON or use the outside On/Off switch below the gas valve. Look at this link and determine which model you have. DE or DEL. Doug
https://suburbanrv.com/files/product_documents/Water%20Heater%20Controls/Tank%20Water%20Heater%20101121.pdf
https://suburbanrv.com/files/product_documents/Water%20Heater%20Controls/Tank%20Water%20Heater%20101121.pdf
