Watts 500800 Vs. 500899 Recirculating Pumps (2024)

The domestic pump industry has been revolutionized by the advent of hot water recirculating systems. These ingenious contraptions have been designed to provide on-demand hot water, saving energy, water, and most importantly, your time.

Today, we’re delving into the universe of the leading providers of these systems: Watts. We’ll be putting their two flagship models, the Watts 500800 and 500899 recirculating pumps, under the microscope. So, let’s dive right in and discuss how these two systems stack up against each other.

A Brief Comparison Table

FeatureWatts 500800Watts 500899
Timer ControlBuilt-in, 24-hour programmable timerDigital timer for more precise control
Temperature ControlNot availableDial for controlling water temperature
Check ValveNot presentIntegrated check valve to prevent backward flow of water
InstallationEasy to installSlightly more complex due to added features
MaintenanceMaintenance-free systemRequires some maintenance
PriceMore affordableHigher price due to advanced features

Exploring the Key Features

The Watts 500800 and Watts 500899 recirculating pumps have both been designed with the user in mind. They’re built to provide instant hot water at every faucet or shower when desired, eliminating the wastage of water while you wait.

Besides their primary function, each of these models boasts a unique set of features.

  • Watts 500800 Recirculating Pump
Watts 500800 Recirculating Pump
Watts 500800 Recirculating Pump

This easy-to-install system doesn’t require a dedicated hot water return line, which makes it a budget-friendly option for many homeowners. Its built-in timer ensures that hot water is available when you need it most, further minimizing wastage.

Moreover, it’s compatible with all types of pipes, so no matter what your home setup looks like, the Watts 500800 will fit right in.

The Watts 500800 is a maintenance-free system, which is a massive plus for anyone who’s not into DIY. It also utilizes a smart technology that adapts to your hot water usage patterns, making it an energy-efficient choice.

Also Read: Problems With Watts Hot Water Recirculating Pump.
  • Watts 500899 Recirculating Pump

Moving on to the Watts 500899, this recirculating pump takes energy efficiency to another level. It comes with a digital timer and a dial to control the temperature, allowing you to have more precise control over the system.

Moreover, its integrated check valve ensures water doesn’t flow backwards, maintaining the perfect water pressure at all times.

Similar to the Watts 500800, the Watts 500899 also doesn’t require a dedicated hot water return line. The convenience of installation combined with the superior control it offers over hot water supply makes it a noteworthy contender.

The Pros & Cons

While both the Watts 500800 and 500899 are leaders in the recirculating pump industry, they each have their strengths and weaknesses.

Pros and Cons of Watts 500800

Pros:

  1. User-friendly and easy to install.
  2. Built-in timer for efficient hot water supply.
  3. Maintenance-free system.
  4. Adapts to hot water usage patterns.

Cons:

  1. Some users have reported that it may not be as durable as expected.
  2. It doesn’t have an integrated check valve.

Pros and Cons of Watts 500899

Watts 500899 Recirculating Pump
Watts 500899 Recirculating Pump

Pros:

  1. Digital timer and dial for precise control.
  2. No requirement for a dedicated return line.
  3. Integrated check valve for maintaining optimal water pressure.

Cons:

  1. Slightly higher price point than the Watts 500800.
  2. A bit more complex to install due to its added features.

Spotlight on the Differences: Watts 500800 And Watts 500899

While both these pumps share a lot of similarities and offer reliable performance, there are some key differences that might sway you one way or the other. Let’s delve into what sets the Watts 500800 and 500899 apart.

  • Timer Control

The most significant difference between the two models lies in their timer controls. The Watts 500800 features a built-in, 24-hour programmable timer. This timer allows the system to deliver hot water during the hours you need it most, effectively conserving energy during the off-hours.

On the other hand, the Watts 500899 takes it up a notch with a digital timer, which provides more precise control over the system’s operation. It’s an upgrade that will appeal to homeowners who want to have a more hands-on approach with their hot water system.

  • Temperature Regulation

Another difference between the two models is in temperature regulation. The Watts 500899 features a dial that lets you control the temperature of the water in the system.

This feature is not present in the Watts 500800, which might be a bit limiting for users who prefer having full control over their water temperature.

  • Check Valve

The Watts 500899 has an integrated check valve to prevent the backward flow of water. This feature is not present in the Watts 500800.

Having a check valve is beneficial as it helps maintain optimum water pressure throughout the system, ensuring that you get hot water as soon as you turn on the faucet.

  • Price

Last but not least, the price difference could be a deciding factor for some homeowners. The Watts 500899, with its additional features, comes at a slightly higher price point than the Watts 500800.

The Final Verdict

Choosing between the Watts 500800 and 500899 recirculating pumps ultimately boils down to your personal needs and preferences. If you’re after simplicity, ease of installation, and minimal maintenance, the Watts 500800 could be the ideal choice.

However, if you’re looking for more precise control and advanced features, then the Watts 500899 might be your best bet.

Keep in mind, though, that both models have been designed to save energy, reduce water wastage, and provide instant hot water, aligning with Watts’ commitment to eco-friendly and efficient home solutions. Whichever model you choose, you’re sure to get a top-tier recirculating pump that’s well worth the investment.

There you have it, a thorough comparison between the Watts 500800 and 500899 recirculating pumps. We hope that this information helps you make an informed decision and find the perfect fit for your home. Happy shopping!

Clyde Mitchell

I run a hardware store nearby Court Anaheim, CA. Over the last 7 years, I have been blogging about home improvement and yes, I own ReliefInBath.com From me and this website, you can expect some useful tips on great ideas for a modern bathroom.

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