NASA astronaut Nichole Ayers verifies the functionality and replaces hardware on the Exploration Potable Water Dispenser

iss073e0071548 (May 16, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Nichole Ayers verifies the functionality and replaces hardware on the Exploration Potable Water Dispenser (xPWD). The xPWD is located in the International Space Station's Destiny laboratory module and is demonstrating advanced water sanitization methods, microbial growth reduction, and a heater to dispense hot water for use aboard the orbital outpost and future spacecraft.