What do low flow faucets do?

Author: Lynn Morar  |  Last update: Sunday, June 7, 2026

Low flow fixtures are modern toilets, faucets, and shower heads that use significantly less water than their outdated counterparts. Making the switch to low flow fixtures can save water, energy, and money!

What are the benefits of low-flow faucets?

Low-flow fixtures conserve freshwater resources, reducing the strain on water supplies and promoting sustainability. By reducing the amount of water used and heated, they also can lower utility bills.

What is the difference between a low-flow faucet and a standard faucet?

A standard faucet uses an average of up to 3 GPM. Low-flow faucets don't exceed 1.5 GPM. A low-flow faucet uses aerating technology to distribute the water without losing any pressure.

How much water do low-flow faucets save?

The savings with a low-flow faucet

The average faucet runs 2.2 gallons per minute, while low-flow models run 1.5 gallons per minute. According to the U.S. Environmental Protection Agency's WaterSense program, a low-flow faucet that reduces water flow about 30% can save a home 700 gallons of water a year.

Is 1.5 gpm good for a kitchen faucet?

Low-flow kitchen faucets typically have a flow rate of 1.5 GPM or lower, reducing water consumption without sacrificing performance. High-efficiency models often incorporate features like aerators to enhance water efficiency.

How to fix a kitchen faucet with low pressure and flow. Change shutoff valves and remove debris.

Which is better 1.8 GPM or 2.5 GPM?

When it comes to Shower Heads, you'll typically find 2.5 GPM, 2.0 GPM, 1.8 GPM and 1.5 GPM. If you're looking for the most pressure, go for the 2.5 GPM Flow Rate, unless you are restricted because you reside in California, Colorado or New York. Again, this has been the Maximum Flow Rate since 1992.

What is the best flow rate for a kitchen faucet?

Overview. Federal standards mandate that all lavatory (bathroom/restroom) and kitchen faucets and faucet aerators manufactured and sold in the United States after January 1, 1994, must use no more than 2.2 gallons per minute (gpm).

How do I increase my faucet GPM?

In most cases, the easiest way to increase a faucet's flow rate is by replacing the aerator. Try looking for a higher gpm model to allow for more gallons per minute. If you live in a low water pressure area, an aerator designed to restrict water flow might be reducing the flow too much.

Is 2.5 GPM considered low-flow?

Unfortunately, there is no firm definition of low-flow, but it's generally accepted that anything using 1.5 gallons per minute (gpm) or less is considered “ultra low flow,” while anything using 2.5 gallons per minute to 1.5 gallons per minute is considered “low flow.” Nowadays, thanks to standards set by the government ...

Can a slow dripping faucet increase water bill?

Studies have shown that a leaking faucet can increase your water bill by over 10% each month. This increase can be quite substantial, especially when you take into account the rising cost of water.

What faucets do plumbers prefer?

Best Faucet Brands According to Plumbers

You want something that is durable, attractive, and a great value for the money. The best brands according to plumbers are Moen, Delta, and Kohler. Plumbers prefer these brands due to their quality, their reliability, and their availability.

Are all new kitchen faucets low-flow?

Please keep in mind that all new faucets since 1994 are restricted to conserve water per EPA code mandates. Older faucets had no restrictions. Beyond intentional flow restriction, new installations can sometimes have reduced flow if the lines are not flushed prior to installation of aerators or shower heads.

Is 1.2 gpm good for a bathroom faucet?

Many bathroom faucets flow at a rate of 1.5, 1.2, 1.0, or 0.8 gpm without a noticeable reduction in what most of us refer to as “water pressure.” Older faucets may use more water than newer fixtures and can be fitted with an aerator for conservation.

How to tell if a faucet is low-flow?

It's essential to check product specifications and labels to identify whether a faucet is classified as low-flow. WaterSense certification is a reliable indicator of a faucet's water efficiency.

What are the benefits of low-flow?

Low-Flow Brings Big Benefits
  • Decrease home water consumption by 40 percent or more.
  • Save energy and lower annual heating costs.
  • Significantly reduce your monthly water bill.
  • Reduce CO2 emissions by using less energy.

Are low-flow fixtures expensive?

Low-flow showerheads and faucets cost $10 and upward, and they can reduce your water use by 30 percent to 50 percent.

Do you want a high or low GPM?

The higher the GPM, the faster your job will be completed, such as dealing with a buildup of mud, dirt, and debris that needs to be flushed away. Examples of applications where the GPM value is generally more important than PSI ratings include, but are not limited to: Janitorial work.

Is 2.5 gpm enough for a shower?

Standard shower heads use 2.5 gpm, but to earn the WaterSense label, a product must use no more than 2 gpm and still meet strict performance requirements. The EPA estimates that the average family could save 2,900 gallons of water per year by installing a WaterSense-labeled shower head.

How many GPM can a 1.5 drain handle?

A 1 1/2 in. drain can easily accommodate 4.9 gpm for cast iron and 8.3 gpm for PVC. While the flush typically occurs within 12 seconds, the flow levels out quickly in the drain.

Can you get a shower head with more than 2.5 GPM?

National standard - 2.5 gpm

National standard of maximum 2.5 gpm flow rate for shower heads was established through the Energy Policy Act (EPAct) of 1992 in order to save water.

How many GPM does a toilet use?

A toilet will normally use about 2-3 gallons per minute (gpm), a shower from 1.5 to 3.0 gpm, a bathroom or kitchen faucet from 2-3 gpm, a dishwasher from 2-4 gpm, and a washing machine from 3-5 gpm. When you start running more than one fixture (sink/dishwasher/toilet/etc.)

What is the flow rate of a Moen faucet?

1.5 Gpm (5.7 L/Min) Max.

What is a typical flow rate for a kitchen tap?

Kitchen taps Flow rates of between 4 to 6 litres/minute with all mixers having a clear indication of hot and cold with hot tap or lever position to the left.

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