Cook bacon until crisp, add onion and peppers, saute until soft. Add potatoes, 2 cups water, salt and pepper; cover. Simmer 15 minutes or until tender. Remove from heat. Stir in corn with can liquid and evaporated milk. Blend flour with remaining water; stir into chowder. Cook, stirring constantly over medium heat until chowder thickens and bubbles 1 minute.