For parts not working The Milwaukee 2771-20 M18 Transfer Pump Tool Only Parts is a powerful water pump designed for use with M18 REDLITHIUM batteries. With a maximum working pressure of 8 gallons per minute and a maximum lifting height of 18 feet, this pump is capable of handling various plumbing and water filtration needs. The compact and lightweight design makes it easy to use and transport, while the durable construction ensures long-lasting performance. Whether you're moving water for a plumbing project or cleaning a large area, the Milwaukee 2771-20 M18 Transfer Pump is a versatile tool you can rely on.