Also, such parts (new) are not cheap.Another area to look into would be RV (caravan) or boat water supply parts - there are valves and such used on such vehicle's water supply (for like the sink, shower, and other areas) that are likely 12/24 VDC - but once again, they are unlikely to be cheap.A final source would be to look into parts repair places for drink dispensers (soda and other dispensers