{"product_id":"3019-21ps-m18-4-gallon-backpack-sprayer-w-switch-tank-kit","title":"M18™ 4-Gallon Backpack Sprayer w\/ SWITCH TANK™ (Kit)","description":"\u003cp\u003eThe Milwaukee M18 4-Gallon Backpack Sprayer with SWITCH TANK (3019-21PS) is a battery-powered backpack sprayer that delivers instant, constant, and adjustable pressure up to 140 PSI with no manual pumping. This is a kit — it ships with an M18 REDLITHIUM XC4.0 battery included. The interchangeable SWITCH TANK design separates the M18 Powered Base (motor, battery compartment, and REDLINK electronics) from the 4-Gallon Sprayer Tank Assembly (pump, hose, and wand), so you can swap tank assemblies and eliminate cross-chemical contamination.\u003c\/p\u003e\n\u003ch3\u003eWhat it does well\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable pressure up to 140 PSI with a 24 ft spray height — no manual pumping required.\u003c\/li\u003e\n\u003cli\u003e5-position flow-rate knob adjusts output from 0.1 GPM to 0.52 GPM for a wide range of applications.\u003c\/li\u003e\n\u003cli\u003eUp to 20 tanks of spraying per charge on Mode 3 with the included M18 REDLITHIUM XC4.0 battery.\u003c\/li\u003e\n\u003cli\u003eDual-diaphragm pump for longer pump life and Viton seals for durability against harsh chemicals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIs this the right sprayer for you?\u003c\/h3\u003e\n\u003cp\u003eThis sprayer is built for professional landscape maintenance and pros already on the M18 battery system. The Powered Base accepts interchangeable tank assemblies — it is compatible with the 4-Gallon Water Supply Tank Assembly (49-16-19WS) and the 4-Gallon Backpack Sprayer Tank Assembly (49-16-19PS) — so you can dedicate tanks to different chemicals and avoid contamination. If you want cordless pressure control and a comfortable carry for extended spraying, this is the kit to choose.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eM18 Powered Base (motor, battery compartment, REDLINK electronics)\u003c\/li\u003e\n\u003cli\u003e4-Gallon Sprayer Tank Assembly (pump, hose, and wand)\u003c\/li\u003e\n\u003cli\u003eM18 REDLITHIUM XC4.0 battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3019-21PS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery System\u003c\/td\u003e\n\u003ctd\u003eM18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Pressure\u003c\/td\u003e\n\u003ctd\u003e140 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate Range\u003c\/td\u003e\n\u003ctd\u003e0.1 GPM – 0.52 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Pressure Settings\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpray Height\u003c\/td\u003e\n\u003ctd\u003e24 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Capacity\u003c\/td\u003e\n\u003ctd\u003e4 gal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eBrushed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDry Weight\u003c\/td\u003e\n\u003ctd\u003e18.9 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e10.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eMetal · Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSWITCH TANK Compatible\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eONE-KEY Enabled\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/467\/xlsx_milwaukee\/59187899b37d2c6f0845923d63cc20385f565e8b.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/467\/xlsx_milwaukee\/eeaf1091db15a5234bfad0689ca4fe8e2f6e4d8c.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWarranty Document\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milwaukee Tool","offers":[{"title":"Default Title","offer_id":49966992884024,"sku":"3019-21PS","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/2115\/5896\/files\/8689436c8a8a671690b79ab5d1009e025a07b9fc-large.png?v=1780347126","url":"https:\/\/eboltsupply.com\/products\/3019-21ps-m18-4-gallon-backpack-sprayer-w-switch-tank-kit","provider":"eBolt Supply","version":"1.0","type":"link"}