opening 72 in the steam trigger button 20 to be received within an internal locking recess 74 of the handle segment 14 the depending locking tab 70 is retained within the internal locking recess 74 through friction and or via the outward bias of the coil spring 66 which drives the locking tab 70 either directly or indirectly through engagement with vertical shelf 76 of the steam trigger button 20 against the internal forward surface 78 defining the internal locking recess 74 in this position the steam trigger button 20 is secured to continuously provide power to the fluid pump 38 and or the double boiler system the trigger lock 68 may be slid upwardly to the position of fig1 when continuous operation is no longer desired thus the trigger lock 68 is movable between a release position depicted in fig1 permitting free movement of the trigger button 20 and a lock position securing the trigger button 20 and maintaining the fluid pump 38 and or the double boiler system in an operative condition it is also possible to provide continuous steam by manually maintaining the steam trigger button 20 in the depressed condition of fig1 without securing the trigger lock 68 fig1 14 illustrate various arrangements to heat or preheat the ironing soleplate 26 in accordance with the principles of the present disclosure with the arrangement depicted in fig1 the ironing soleplate 26 is directly in contact with or attached to the boiler housing.