La Spaziale Boiler Level Float Assembly This float assembly uses an internal microswitch to monitor boiler water level, serving as an alternative to the standard level probe found in some older La Spaziale vertical boiler models. COMPATIBILITY Fits: select older La Spaziale vertical boiler models (as an alternative to the standard level probe) Replaces: La Spaziale part #01322 INSTALLATION Should be installed by a qualified technician, as it involves working inside the boiler assembly and wiring the microswitch correctly.