Product Description
FlowZone Tool Only Zephyr Battery-Powered Backpack Sprayer - 4 Gal | FZSATJ-3TO
Spray smarter, not harder with the power and efficiencies of a battery backpack sprayer! The Zephyr delivers a 0.2 gpm / 40 psi output so applicators can precisely deliver product at the squeeze of the trigger. Value-engineered components like an inline spray gun, carbon fiber wand, and lightweight backpack straps make the sprayer a perfect fit for the whole crew!
The Zephyr™ 4-gallon battery sprayer delivers all of the benefits of battery-powered spraying with rugged, professional performance and streamlined savings!
Available as a Tool Only option at a cost savings! Applicators with existing 18V / 20V FlowZone®, DeWalt®, Milwaukee®, Makita®, or Bosch® batteries can purchase the Zephyr™ without a battery and charger and save! The all-new QuickSwap™ battery holster system allows for efficient installation of the battery holster to adapt to your desired platform.
Say goodbye to arm fatigue and manual pumping with a single-speed, 45 psi flow of product at the squeeze of a trigger. Spray over 25-feet and up to 24 gallons per 18V / 2.6Ah battery charge (and recharge the battery to full in less than 2 hours).
Equipped with a 0.20 gallon-per-minute pump and flow-optimized nozzles, this is the ideal sprayer for controlled application of product: minimizing chemical waste and maximizing spray precision.
Dump the Pump™ today and unlock the convenience and unmatched performance of FlowZone® battery-powered spraying equipment.
Included in the box:
- Tank Lid with Wand Holster (FZRARV)
- Tank Strainer (FZRABW)
- 4-Gallon Tank (FZRAMZ)
- Upper Wand Holster (FZRANL)
- Lower Wand Holster (FZRANK)
- Zephyr™ Front Cover Plate (FZRATM)
- QuickSwap™ Battery Holster Adapter Kit (FZAATR)
- FlowZone® Battery Holster
- DeWalt® / Milwuakee® Battery Holster
- Makita® Battery Holster
- Bosch® Battery Holster
- Battery Door Assembly (FZRAEG)
- Lower Pressure Diaphragm Pump (Left-to-Right Flow) w/ Threaded Output (FZRATL)
- Pump Outlet Hose & Nut (FZRAOG)
- Pump Inlet Filter (FZRAGK)
- 5-Ft. UV-Resistant Reversible Hose (FZRAOF)
- Lightweight Backpack Straps (FZRATK)
- Inline Spray Handle (FZRAQX-V1)
- 18-In. Carbon Fiber Wand (FZRADK)
- TeeJet®-Style Nozzle Kit (FZRASV)
- Plastic 0⁰ Pin Stream Tip (0005 / 0.5 GPM at 40 PSI)
- Plastic 80⁰ Fan Tip (8002 / 0.2 GPM at 40 PSI)
- Plastic 45⁰ Fan Tip (4502 / 0.2 GPM at 40 PSI) + 45⁰ M18 Threaded Base
- Plastic Adjustable Cone Nozzle (w/ 45⁰ M18 Threaded Base)
Specifications:
- Tank Type: 4-Gallon Backpack
- Spray Time: up to 2 hours
- Spray Distance: over 20 Feet
- Pressure: up to 40 psi
- Total Output: over 24 gallons per charge
- Min Flow Rate: 0.20 gpm
- Pump Type: Standard Pressure Diaphragm Pump (LR)
- Seal Type: Viton
- Gun / Wand Type: Ergonomic Inline Spray Handle with Threaded Carbon Fiber Wand
- Battery Voltage/Capacity: 18V / 2.6Ah
- Battery Cell Type: Lithium Ion
- Charger Type: 21V / 1A
- Continues Working Time: Single Speed > 120 minutes
- Agency/Standards Approvals: UL / CE / RoHS
QuickSwap Guide:


*Tool ONLY (battery and charger not included).
Battery and Charger Compatibility:
IMPORTANT NOTES:
- FlowZone has not changed batteries or chargers since the inception of FlowZone.
- FlowZone has always had two 18 volt batteries (2.6Ah & 5.2AH) and two 21 volt chargers (1A & 2.5A).
- Each charger is only compatible with its respective battery, and they cannot be interchanged
- Using the larger Amp charger on the smaller AH battery - or vice versa - can damage the batteries.
- Each FZ battery should only be charged with its compatible FZ charger.
- Aftermarket chargers will damage the cells of the FZ battery.

FlowZone® Limited Warranty Policy:
WESSOL, LLC warrants to the original purchaser that the FlowZone® product will function as intended under normal use and consistent maintenance, subject to the limitations and exclusions detailed below.
At the discretion of WESSOL, LLC, we will repair or replace any parts found to be defective in material or workmanship without charge, apart from shipping and handling costs, during the covered warranty period.
Warranty Period
The warranty period will begin from the date of retail purchase and exist for one (1) year, regardless of when the unit is placed in service. The warranty period is not extended if we opt to repair or replace the product in question.
Warranty Period
WESSOL, LLC reserves the right to require the return of the defective product, proof of purchase, and established product registration to file a claim under this warranty. If the product fails to function as intended DO NOT RETURN IT TO THE STORE, email warranty@wessol.com.
Exclusions & Limitations
WESSOL, LLC only warrants products purchased from authorized distributors. Products purchased from unauthorized resellers or distributors are not subject to warranty services. The limited warranty does not cover damages, loss, or injury resulting from transportation, storage, accident, improper use, neglect, modifications, normal wear, or operation not in accordance with the instruction manual. WESSOL, LLC reserves the right to change the design or specifications of any product without obligation to modify previously produced units.
ANY IMPLIED WARRANTIES, INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR CONSUMER USE, ARE LIMITED TO THE DURATION SPECIFIED ABOVE. WESSOL, LLC’S LIABILITY IS LIMITED SOLELY TO THE REPAIR OR REPLACEMENT OF THE NON-FUNCTIONING PRODUCT OR PART. WESSOL, LLC EXCLUDES LIABILITY UNDER THIS WARRANTY FOR ANY AND ALL INCIDENTAL AND CONSEQUENTIAL LOSS OR DAMAGE.
In no event shall WESSOL, LLC be liable for any incidental, special, consequential or punitive damages, or for any costs, attorney fees, expenses, losses or delays alleged to be as a consequence of any damage to, failure of, or defect in any product including, but not limited to, any claims for loss of profits. Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so these limitations or exclusions may not apply to you. This warranty gives you specific legal rights and you may have other rights which vary from state to state.

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