La Spaziale S1 Steam Wand Union Elbow Adapter This small union elbow connects the steam wand to the boiler on the La Spaziale S1, and it's specific to that one model, don't assume it interchanges with other Spaziale steam assemblies. COMPATIBILITY Fits: La Spaziale S1 Replaces: SP_523 Works with: steam wand assembly INSTALLATION Straightforward DIY swap with a wrench; drain and cool the boiler before removing the old adapter.