The main difference between the SC 5 Deluxe Signature Line and the SC 5 EasyFix Iron Plug lies in the functions and accessories offered. The SC 5 EasyFix Iron Plug includes the VapoHydro function, which lets you add hot water to remove stubborn dirt, a function not mentioned for the SC 5 Deluxe Ligne Signature. Both have similar steam pressure (4.2 bar) and power ratings (2250 W for the SC 5 Deluxe, 2200 W for the EasyFix Iron Plug). The SC 5 EasyFix Iron Plug also comes with a steam iron and EasyFix floor nozzle with flexible joint, while the SC 5 Deluxe Signature Line features an integrated accessory compartment and adjustable steam flow. Finally, the SC 5 EasyFix Iron Plug has a permanent 0.5 + 1.5 litre water tank, while the SC 5 Deluxe has a removable 1.3 litre tank.