[MBAtarga]

How about DIY'ing a freezer ice-maker solenoid with some tubing/plumbing and hook it up to a power source with a pushbutton to activate it?

Off that big river place for $14.21:
https://www.amazon.com/Refrigerator-Frigidaire-AP5671756-PS7784017-242252603/dp/B01HMPYFAG/ref=asc_df_B01HMPYFAG/?tag=hyprod-20&linkCode=df0&hvadid=309782133271&hvpos=1o4&hvnetw=g&hvrand=8787654822412760196&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9010764&hvtargid=pla-569485821064&psc=1