Robotic cleaner

A floor cleaning robot, comprising:

• an autonomously moveable housing;
• a drive system for autonomously moving the autonomously moveable housing over a surface to be cleaned based on inputs from a controller;
• a unitary assembly removably mounted to the autonomously moveable housing, wherein the unitary assembly is configured to be selectively detached from the autonomously moveable housing, the unitary assembly comprising:
• a brush chamber;
• a debris receptacle fluidly coupled to the brush chamber, and
• a supply tank configured to store a supply of cleaning fluid;
• a brushroll located in the brush chamber;
• at least one fluid distributor in fluid communication with the supply tank and configured to dispense cleaning fluid;
• and
• a fluid delivery pump configured to control a flow of cleaning fluid from the supply tank to the at least one fluid distributor.