How to Choose the Best Domestic Hot Water Pump?

Posted on Dec 4, 2020

Domestic Hot Water Pump

Simply put, a domestic hot water pump, or a hot water circulation pump or system, is responsible for supplementing hot water where you want it in a timely manner. A hot water circulation pump is normally installed on your water heater, as you may have also heard of some with unusual builds as well.

About Domestic Hot Water Pump

Are you ever curious about why you are greeted by cold water for a couple of seconds before hot water can come out upon turning on the faucet at home? This is a very common phenomenon in households, especially those with rather large houses, you may have to wait for up to two minutes for hot water.

The problem with this is that you waste a lot of water. Every time you wait for hot water, you are susceptible to wasting water as a result, and inherently leads to a higher utility bill.

Fortunately, with a domestic hot water pump, also known as the hot water circulation pump, the problem can be solved quite easily. When you turn off the hot water faucet, the water in it does not return to the heater; it stays put instead. This can be solved with the best hot water circulation pumps that are available in the market, as such a system sends water back into the heater.

In this article, we'll help you gain a deeper understanding of the product, the domestic hot water pump, and how to go about choosing the best one for yourself.

How Does a Domestic Hot Water Pump Work?

Simply put, a domestic hot water pump, or a hot water circulation pump or system, is responsible for supplementing hot water where you want it in a timely manner. A hot water circulation pump is normally installed on your water heater, as you may have also heard of some with unusual builds as well. The primary function of a hot water circulation pump is to return the unused hot water all the way back to the water heater.

As mentioned previously, a hot water circulation pump will help you save thousands of gallons of water annually, thereby saving your utility bill. You will no longer need to let cold water run in vain until it gets hot. There are more types of domestic water pumps available on the market. Click the link below to see more information!

:: Read More: What Are The Domestic Water Pumps Types?

What Is the Main Purpose of a Domestic Hot Water Pump?

The primary purpose of a hot water circulation pump is to ensure that hot water is always available domestically, and as close to the consumption point as possible. This in turn reduces water wastage and energy consumption significantly and enhances comfort.

A domestic hot water circulation pump also serves other two purposes:
● First and foremost, hot water circulation pumps promote convenience within a household. You will not have to wait for cold water to warm up, and you can enjoy a nice shower with instant hot water as soon as you turn on the faucet.

● Next, hot water circulation pumps are great tools to help you save utility bills by decreasing water wastage. The low energy consumption unit is also environmentally friendly as well because not only do they save water, but also energy.

In short, a recirculation pump is here to provide you with instant hot water at low costs and reduced waste.

Factors to Consider When Buying the Best Domestic Hot Water Pump

One thing you’ll notice with pumps, in general, is that despite the wide variety of selection in the market, they usually lack guidance. In other words, you will have no problem finding all the models and types of pumps, but very little advice will be given to you pertaining to purchasing factors. Therefore, we have prepared some selection criterion for your reference inline below to help you with the selection process:

Make sure there is a timer on your pump so that you can schedule it to shut off when you want to. In other words, you are able to get hot water during peak usage times based on your settings. Do not worry if your pump does not come with one because timers can typically be retrofitted onto a pump.

In most cases, durability is closely associated with materials. You want to make sure that your hot water circulation pump is made of high-quality stainless steel, especially if you intend to let it last for more than 5 years. Pumps that have reported to being able to last for more than 10 years are usually made of high-quality materials.

Pump Housing Material:
Following the last point, you should also consider other factors when it comes to choosing the material. For instance, cast iron would not be a viable choice, particularly for potable water use because cast iron can cause rust within the system. If you intend to run portable water through the pump, one that is made of aluminum housing is recommended.

Tankless Water Heater:
If your water heater is tankless, you will need a hot water circulation pump with more power. Keep in mind that hot water circulation pumps may not yield enough power to work with either a tankless water heater or an electric tankless water heater. In light of this, you will need to take the type of your water heater into consideration before buying a hot water circulation pump.

Unlike submersible water pumps which have to be primed only once, most hot water circulation pumps do not have to be primed and can run with some air in the lines.

Final Buyer Advice

Some final pieces of advice for potential buyers include:

● If it takes more than 45 seconds or so for the water to get hot, then you have to strongly consider getting a hot water circulation pump inside your household.

● You may be concerned about the amount of space a hot water circulation pump may take. Do not worry. These products are usually very small and installed either under your sink or near the water heater.

● The installation process for a hot water circulation pump is actually very easy. You just need to make sure that you are connecting and disconnecting the right valves and water lines. Generally speaking, you are looking at about 2-3 hours of installation water until a hot water circulation pump is fully installed.

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