Milwaukee® M18™ SWITCH TANK™ 2820-21WS Backpack Water Supply Kit, 4 gal Tank, 20 to 60 psi Pressure

Our M18™ Switch Tank™ 4 gal backpack water supply kit delivers the industry's first interchangeable tank design with no manual pumping. Designed to meet your water supply needs for concrete cutting and coring, the battery powered water supply delivers instant, constant and adjustable pressure up to 60 psi. The 5-mode pressure regulator adjustment knob adjusts the pressure between 20 to 60 psi for ultimate control. The M18™ Redlithium™ XC3 Battery provides you with up to 12 tanks of water delivery per charge. The 4 gal water supply tank features a dual diaphragm pump for increased durability and longer pump life. The tank also has a wide mouth opening for easier pouring and a strainer that filters debris from getting into the tank. The backpack frame includes wide straps and a handle providing you with convenient transportation and storage. The 4 gal water supply is made up of two components the M18™ Switch Tank™ powered base and the Switch Tank™ 4 gal water supply tank assembly. The powered base includes the motor, battery compartment and Redlink™ electronics, while the interchangeable tank assembly includes the pump, 10ft hose and quick-connect. The isolated pump, hose and quick-connect design allows you to add on tank assemblies for different applications, eliminating cross-chemical contamination. It also provides you with the ability to replace the tank assembly at a lower cost of ownership compared to replacing the entire water supply. The powered base is also compatible with the Switch Tank™ 4 gal concrete sprayer (49-16-28CS) and 4 gal sprayer (49-16-28PS) tank assemblies. The M18™ Switch Tank™ 4 gal backpack water supply is part of the M18™ system which is fully compatible with over 175 tools. In addition to the backpack water supply, the kit includes one M18™ Redlithium™ XC3 Battery and an M18™/M12™ multi-voltage charger. The 4 gal concrete sprayer is made up of two components the M18™ Switch Tank™ powered base and the Switch Tank™ 4 gal concrete sprayer tank assembly. The powered base includes the motor, battery compartment and Redlink™ electronics while the interchangeable tank assembly includes the pump, hose and wand. The isolated pump, hose and wand design allows you to add on tank assemblies for different applications, eliminating cross-chemical contamination. It also provides you with the ability to replace the tank assembly at a lower cost of ownership compared to replacing the entire sprayer. The powered base is also compatible with Switch Tank™ 4 gal sprayer (49-16-28PS) and 4 gal water supply (49-16-28WS) tank assemblies. Our M18™ Switch Tank™ 4 gal backpack concrete sprayer is part of the M18™ system which is fully compatible with over 175 tools. In addition to the backpack concrete sprayer, the kit includes one M18™ Redlithium™ XC3 Battery and an M18™/M12™ multi-voltage charger.