Apparatus for cleaning a surface

A surface cleaning device, comprising:

• a base adapted for contacting a surface of a surrounding environment to be cleaned;
• a suction source;
• a suction nozzle assembly provided on the base and defining a suction nozzle in fluid communication with the suction source;
• a fluid supply tank adapted to hold a supply of fluid;
• a fluid dispenser in fluid communication with the fluid supply tank;
• a recovery container in fluid communication with the suction nozzle assembly;
• a frame including a main support section supporting at least the recovery container, the frame pivotally mounted to the base for movement about at least one axis;
• and
• a fluid level sensing assembly, comprising:
• a first sensor and a second sensor located at exterior sidewalls of the recovery container;
• a controller communicatively coupled to the first sensor and second sensor and configured to detect a level of fluid in the recovery container;
• and
• a first electrical connector and a second electrical connector, wherein the first and second electrical connectors are operably coupled to the controller;
• wherein the first sensor comprises a terminal end configured to be received in the first electrical connector and the second sensor comprises a terminal end configured to be received in the second electrical connector;
• and
• wherein the recovery container is removably mounted on the main support section and the main support section comprises the first electrical connector and the second electrical connector.