GENRAC GENERATOR DEALERSHIP 
There is a Genrac Generator dealership in David, not far from the big XTra as you come into town. 

Their sign shows their website as: https://serviciosmiva.com/

They also carry water system items, but their main focus is Genrac Generators. 
Google Maps shows their phone number as +507-775-4131

{{:generacoffice.jpeg?400|Generac Office in David}}