Kirk
Well-known member
The model numbers mean, SW is for Suburban Water heater, the 6 means it is a 6 gallon model, the D means that it is direct spark ignition, and the E means that it also has factory installed electric heater. I would expect that you have the switch assembly like this one?Subrban water heater and the sw6 de
If your water heater has the service switch installed it should be to the lower left in this video.. The Suburban service manual is also available.