Skip to content
  • Our Stores
  • Contact
  • FAQ
  • Privacy Policy
  • Returns
  • Newsletter

    Sign up for Newsletter

    Signup for our newsletter to get notified about sales and new products. Add any text here or remove it.

    Nix WarehouseNix Warehouse
    • SHOP
      • Shop by Categories
      • Shop By Brands
      • Sales
    • Used Parts
    • Login
    • Cart / $0.00 0
      • No products in the cart.

        Return to shop

    • 0
      Cart

      No products in the cart.

      Return to shop

    Add to wishlist
    Johnson Pump Flow Master 5.0 GPH Variable Flow Demand Pump  12V
    Johnson Pump Flow Master 5.0 GPH Variable Flow Demand Pump  12V - Image 2
    Home / Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Johnson Pump Flow Master 5.0 GPH Variable Flow Demand Pump 12V

    $448.33

    Out of stock

    SKU: 38984 Category: Marine Plumbing & Ventilation > Washdown / Pressure Pumps
    Johnson Pump
    • Description
    • Additional information
    • Brand
    • Accessories
    • Literature
    • Videos

    Aqua Jet Flow Master 5.0 WPS
    The ideal choice for pressurizing water in a closed system. The digital controller adjusts water flow asthe demand is increased and decreased while maintaining a very smooth flow. The unique variable flowfeature of the Flow Master pump allows the pump to be mounted without an accumulator tank and still maintain an even flow regardless if one or multiple taps are being used.

    Features:

    • Capacity: 19 l/min – 5 GPM
    • Pressure Cut Off: 3.5 bar – 50 psi
    • Fuze Size: 15 A
    • Connection:3/8″ NPT / hose 1/2″; 1/2″ NPT / hose 3/4″; 1/2″ NPT 3/4″ hose 1/2 CTS
    • Dimensions: 239 mm/9.4″ long x 209 mm/8.22″ wide x 113 mm/4.49″ high
    • Weight: 2 kg/4.5 lbs
    • Motor: WPS 5.0 – 150 W, 12/24V DC (with built-in thermal protection)
    • Body: Nylon/Polypropylene
    • Valves: Santoprene/EPDM
    • Diaphragm: Santoprene

    Weight 7.3 g
    Dimensions 11 × 7 × 5 cm

    Brand

    Johnson Pump

    No accessories available for this product.

    Literature

    Owners Manual: Download PDF

    Videos

    Video 1: Link

    Related products

    Jabsco 1" Electro-Magnetic Clutch Pump - 12V
    Add to wishlist
    Quick View

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Jabsco 1″ Electro-Magnetic Clutch Pump – 12V

    Jabsco
    $1,120.99

    1″ Electro-Magnetic Clutch Pump Flow rate: Nominal 23 US Gallons/min at 1750 RPMSelf-priming from dry up to 7.8ft Features: Constructed from marine quality bronze and stainless steel for ruggedness and reliability. Easy to service and maintain. Inexpensive to buy and operate. Will tolerate abrasive wear (this may affect performance – seek advice from your distributor). [...]

    Add to cart
    Johnson Pump Aqua Jet 3.5 GPM Water Pressure System - 12V
    Add to wishlist
    Quick View
    Out of stock

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Johnson Pump Aqua Jet 3.5 GPM Water Pressure System – 12V

    Johnson Pump
    $223.30

    Aqua Jet Water Pressure Systems – 3.5GPM – 12V The five chamber Aqua Jet WPS-series provides a reliable heart for small boat and recreational vehicle water pressure systems. Compared to conventional three or four-chamber diaphragm pumps, the Aqua Jet demonstrates dramatically lower noise and water pulsation characteristics. It is recommended to install the WPS-pumps with [...]

    Read more
    Johnson Pump Aqua Jet 3.5 GPM Water Pressure System - 24V
    Add to wishlist
    Quick View
    Out of stock

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Johnson Pump Aqua Jet 3.5 GPM Water Pressure System – 24V

    Johnson Pump
    $205.51

    Aqua Jet Water Pressure Systems – 3.5GPM – 24V The five chamber Aqua Jet WPS-series provides a reliable heart for small boat and recreational vehicle water pressure systems. Compared to conventional three or four-chamber diaphragm pumps, the Aqua Jet demonstrates dramatically lower noise and water pulsation characteristics. It is recommended to install the WPS-pumps with [...]

    Read more
    Jabsco Utility Pump w/Open Drip Proof Motor - 115V
    Add to wishlist
    Quick View

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Jabsco Utility Pump w/Open Drip Proof Motor – 115V

    Jabsco
    $1,221.99

    Utility Pump The 6050-Series pumps are the highest capacity, self-priming, portable Utility Pumps offered by Jabsco Bronze pump head 23 GPM output at 10ft total head Continuous duty motor with thermal over-load protection Motor wired to operate with 115v and can be converted to 230v Open drip proof motor 8′ power cord with grounded plug [...]

    Add to cart
    Jabsco Commercial Duty Water Puppy - 12V
    Add to wishlist
    Quick View

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Jabsco Commercial Duty Water Puppy – 12V

    Jabsco
    $474.99

    Commercial Duty Water Puppy Flow rate: 34 litres/min (9 USgallons/min)Self-priming from dry up to 1.2m (4ft) Features: Small bilge debris present no problem to these bronze bodied, flexible impeller pumps. Simple design means fewer wearing parts. ISO 8846 MARINE (Ignition protection). ISO 8849 MARINE (Bilge pump standard). MotorPermanent magnet type, fully enclosed, stainless steel shaft, [...]

    Add to cart
    Johnson Pump 5.2 GPM Aqua Jet Washdown Pump Kit w/Hose - 24V
    Add to wishlist
    Quick View
    Out of stock

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Johnson Pump 5.2 GPM Aqua Jet Washdown Pump Kit w/Hose – 24V

    Johnson Pump
    $482.13

    5.2GPM Aqua Jet Wash Down Kit 20 l/min (5.2 GPM) wash down kit conveniently includes a high capacity Aqua Jet WD 5.2, 5 bar (70 psi), PUMProtector inlet strainer, spray nozzle, bulk head fitting with valve, and 7.5 meters (25′) of coiled wash down hose all in one package. Aqua Jet wash down pump kit [...]

    Read more
    Flojet Water Booster System - 40PSI - 4.5GPM - 115V
    Add to wishlist
    Quick View

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Flojet Water Booster System – 40PSI – 4.5GPM – 115V

    Flojet
    $774.99

    Water Booster System – 40PSI – 4.5GPM – 115V The Flojet 2840 Series Booster Systems are designed to provide constant water pressure of 0 to 40 psi (0.7 to 2.7 bar) and a maximum flow rate of 4.5 GPM at 10 psi (0.7 bar). The pump is fully automatic, with a built-in inlet strainer, pressure [...]

    Add to cart
    Johnson Pump 5.2GPM Aqua Jet Wash Down Pump - 24V
    Add to wishlist
    Quick View
    Out of stock

    Marine Plumbing & Ventilation > Washdown / Pressure Pumps

    Johnson Pump 5.2GPM Aqua Jet Wash Down Pump – 24V

    Johnson Pump
    $355.25

    5.2GPM Aqua Jet Wash Down Pump As a wash down pump, the Aqua Jet offers much higher pressures than competitive models, making clean-up faster and easier than ever before. Comes complete with trigger nozzle, PUMProtector inlet strainer and hose connections for 1/2″ hose. Both BSP and NPT connections included in package.

    Read more
    Latest
    • Airmar B60 20 Degree Bronze Tilted Element 600W 8-Pin f/Garmin Airmar B60 20 Degree Bronze Tilted Element 600W 8-Pin f/Garmin
    • Aimar B150M Bronze 0 Degree Thru-Hull 300W 8-Pin Aimar B150M Bronze 0 Degree Thru-Hull 300W 8-Pin
    • Airmar B150M Bronze 20 Degree Thru-Hull 300W 8-Pin Airmar B150M Bronze 20 Degree Thru-Hull 300W 8-Pin
    • Airmar B744VL Bronze Thru-Hull 50/200 600W w/FB 8-Pin f/Garmin Airmar B744VL Bronze Thru-Hull 50/200 600W w/FB 8-Pin f/Garmin
    Best Selling
    • Fusion Apollo MS-RA770 Touchscreen AM/FM/BT/SiriusXM Stereo - 4 Zone w/DSP Fusion Apollo MS-RA770 Touchscreen AM/FM/BT/SiriusXM Stereo - 4 Zone w/DSP $699.99
    • Connect-Ease 24V 6 Gauge Heavy Duty Series System Connect-Ease 24V 6 Gauge Heavy Duty Series System
    • Airmar Garmin 12-Pin Mix & Match Cable f/Chirp Transducers Airmar Garmin 12-Pin Mix & Match Cable f/Chirp Transducers $127.50
    • Blue Sea 7935 Contura II Switch DPST Black - OFF-(ON) Blue Sea 7935 Contura II Switch DPST Black - OFF-(ON) $17.22
    Top Rated
    • Garmin BlueChart® g3 HD - HXEU003R - Great Britain Northeast Coast - microSD™/SD™ Garmin BlueChart® g3 HD - HXEU003R - Great Britain Northeast Coast - microSD™/SD™ $129.99
    • Megaware PontoonGuard® - 32' Kit - (2) 16' Guards f/Pontoon Up To 21' - Gray Megaware PontoonGuard® - 32' Kit - (2) 16' Guards f/Pontoon Up To 21' - Gray $392.15
    • Pacer Blue 18 AWG Primary Wire - 500' Pacer Blue 18 AWG Primary Wire - 500' $67.99
    Upcoming Events and Sales
    June 2025
    M T W T F S S
     1
    2345678
    9101112131415
    16171819202122
    23242526272829
    30  
    « Mar    
    About us
    Proudly owned and operated by Nix Yacht Services LLC. This website was created to serve as our showroom for all our suppliers and products. Company started as complete yacht management in San Diego, CA. During the years we have been involved in variety of projects. Our goal was aways been bringing quality, transparency and satisfaction.
    Hours & Info
    El Cajon, CA 92020
    +1 (619) 508-3995
    nick@nixwarehouse.com

    Please note that your item may ship from warehouses located in all parts of the country. We make every effort to ship from locations closest to our customers. Items are shipped Monday – Friday excluding holidays. Overnight and two day delivery options are available.
    • Our Stores
    • Contact
    • FAQ
    • Privacy Policy
    • Returns
    Copyright 2025 © Nix Warehouse
    • SHOP
      • Shop by Categories
      • Shop By Brands
      • Sales
    • Used Parts
    • Login
    • Newsletter

    This is a demo store for testing purposes — no orders shall be fulfilled. Dismiss

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.