Integral water softener - 2+3 minute cycle option, heavy-duty wash pump, superior peristaltic auto-dosing units, insulated boiler, insulated cabinet and door, dual-element configuration available, double skinned, low-water usage, three baskets (PD40 has two baskets), engineer diagnostic mode. Programmable options: rinse thermolock, auto-start door, audio status indicator, integral softener (when fitted).