Replacement Foot Switch, for hand sink, allows the operator to use a foot pedal, guards against premature pump failure, for all PHS units, CSA, UL​​‌‌​‌​‍​​‌​‌‌‍​​‌‌‌‌​‍​​‌‌​‌‍​​‌‌​‌‌‍​​​‌‌​‍​​‌​​‌‍​​‌‌​‌​‍​‌​​‌​‍​​‌​​‌‍​​‌​​‌‍​​‌​​‌‍​​‌‌‌​‍​‌​​‌​‍​​‌​‌‌‍​​‌​​​‍​​​‌‌‌‍​​‌‌‌​‌‍​‌​​‌​‍​​​‌‌‌‍​​​‌‌‌‍​​‌‌‌​‍​​‌‌‌​‌‍​‌​​‌​‍​​‌‌​​‌‍​​‌‌​​‍​​‌‌​​‌‍​​‌​​‌‍​​‌‌‌​‍​​‌‌​‌‌‍​​‌‌​​‍​​‌‌​‌​‍​​‌​​‌‍​​‌‌‌​‌‍​​‌‌‌‌​‍​​‌‌​‌​