FlowVis Retrofit Lid

$140.00

Shipping calculated at checkout.

Upgrade your pool or spa's flow monitoring system with the FlowVis Retrofit Lid designed for 1.5" and 2" x 2.5" Jandy and Hayward models. This high-quality, easy-to-install retrofit lid is engineered to seamlessly replace your existing valve lid, providing you with accurate water flow measurements for optimal pool and spa system performance.

The FlowVis Retrofit Lid is a perfect fit for Jandy and Hayward valve models, allowing you to retrofit your system without replacing the entire valve assembly. The simple installation requires no special tools or professional assistance—just swap out your old lid, and you're ready to monitor your water flow with precision.

Get more out of your flow meter with FlowVis Digital

In stock

Fitting Type: Jandy

Jandy Hayward

Size: 1.5"

1.5" 2"-2.5"

Tech support available
Made in the USA

Features:

Versatile mounting options: Allowing horizontal, vertical, or upside-down orientations for compatibility with various plumbing systems.

Various Sizes: The FlowVis flowmeter comes in many sizes for al lof your needs. FV-C-15 (1.5"), FV-C (2.25"-2.5"). FV-3 (3"), FV-4 (4"), FV-6 (6"), FV-8 (8")

NSF 50 Accuracy Level L1: Providing 98% accuracy—the highest precision available in the market. This makes it ideal for applications like pools, spas, and water treatment systems, where precise flow measurements are essential for efficient operation. Accurate readings help optimize performance, detect leaks early, and ensure energy efficiency, preventing issues before they become costly problems.

Flowmeter and Velocity Meter: The FlowVis Flow Meter combines two essential functions in one device: it measures both water flow volume and flow velocity. This dual functionality saves space and reduces costs by eliminating the need for separate devices, while providing real-time data on both flow and speed.

Working Pressure of 50 PSI: Making it ideal for residential pools, irrigation systems, and light industrial use. It performs reliably under typical pressure conditions without sacrificing accuracy or performance.

Wide Temperature Range: The FlowVis Flow Meter operates within from 32°F to 140°F, making it reliable in both cold and hot environments. Whether for pools, spas, or industrial systems, it ensures accurate performance year-round, even under extreme conditions.

Clear, easy-to-read scale: The FlowVi s scale is in GPM (gallons per minute), making it simple for anyone to quickly understand water flow rates and make decisions without confusion.

Simple, quick installation: There is no need for complex tools or calibration. Just install it inline with your water system, and it’s immediately ready to monitor flow. This hassle-free setup makes it ideal for both homeowners and businesses, eliminating the need for professional help and ensuring a low-maintenance solution.

How it Works:

The FlowVis uses patented technology to accurately measure and display the flow rate as well as the velocity.

You can upgrade to FlowVIs digital here

What's Included:

FlowVis Lid

Please note: this is a replacement lid for your existing Jandy or Hayward flow meter or check valve. The Valve body is not included in purchase. You can purchase the complete unit here

Resources

Instruction Manual

10 Things to Know

Available with Digital Display

Flexible Installation

NSF50 Cerification

Easy-to-read scale

Velocity scale

Made in USA

youtube

Flow meters like this are essential to figure out how fast your variable speed pump needs to run. It can also be used to calibrate how long your single speed pump needs to run, the objective being to get at least a one full turnover of your water each day.

This device works well, but not sure how accurate it is because I have nothing to compare to. It is a little hard to read - you have to look at it perpendicular to where the red indicator is in order to see it well.

If you want to know that you're taking care of your pool and its equipment properly, you need a flow meter, and this in line meter is great: easy to install, accurate, and easy to read. It will help you determine that you're pumping enough water, but not too much, through your pool filter, and pool heater, so that you can optimize running times, etc.

Works as described. Installed on a 1.5 inch pipe. DIY install for most. It was straight forward and took 40 minutes as I took my time and was methodical being my first install. I will use the FlowVis to monitor my pool filter pressure in addition to the existing gauge but more importanly to record flow as I program my anticipated new variable speed pump to program to run the necessary amount of time. The energy savings from my variable speed pump vs my current single speed will pay for the new pump and FlowVis in an estimated 18 month's here in California where the energy rates are 29cents per kWh.

This is a must-have if you have a variable speed pump. I created a spreadsheet using measured flow across the RPM range of my variable speed pump. The data allowed me to find the “sweet spot” for flow and energy efficiency. I was able to program a schedule that has a 3x per day turn-over and only costs me a little over $30 per month. Water is so much clearer. Without the flow meter you are just guessing. My originalpump schedule was only turning the water over 1.8x per day. Water looks sooooo much cleaner. Also swapped out my sand for glass. Filter pressure dropped, water is polished, all is good. There is no use having a Variable Speed pump if you don’t use a flow meter to optimize it. Great investment.

I am glad that I bought it. It removes the guess work for the variable speed pump. My pump shows wattage for every speed, so I've built the table watts vs gpm vs pump speed and determined that my system is most energy efficient at about 20 gpm. To calculate efficiency, divide gpm by watts. Build a table by tuning the pump speed to achieve different gpm values, record the wattage and pump speed for each gpm value. You need to circulate your pool one time a day. so you can select different speeds to achieve one circulation at smallest possible watt x hours.Then I've removed the return jet fitting that is 3/4" openning to check what effect it has, and it turns out it reduces the gpm by 10! I am tossing it out and looking for a larger jet. I have to determine the most efficient gpm again after that. I guess it is now around 30 gpm.

How accurate is the FlowVis flow meter?

The FlowVis flow meter boasts an NSF 50 L1 accuracy rating, meaning it provides 98% accuracy in water flow measurement, making it one of the most precise flow meters on the market.

Can I install the FlowVis flow meter myself?

Yes! The FlowVis flow meter is designed for easy installation. It attaches directly to your water system without the need for professional help, complex tools, or calibration. It can be installed horizontally, vertically, or even upside down.

What is the maximum pressure the FlowVis flow meter can handle?

The FlowVis flow meter can handle a maximum working pressure of 50 psi, making it suitable for residential pools, spas, irrigation systems, and light industrial applications.

Can the FlowVis flow meter be used for both residential and commercial applications?

Yes, the FlowVis flow meter is versatile and can be used for both residential(pools, spas, irrigation) and light commercial applications (water treatment systems, industrial setups).

FlowVis Retrofit Lid