Wed. Aug 27th, 2025

When it comes to upgrading your drinking water at home, the Everpure H104 is one of the most reliable under-sink filtration systems available. It is designed to provide fresh, great-tasting water while reducing unwanted contaminants.

While many people assume that installing a filter requires hiring a plumber, the Everpure H104 can actually be installed with a bit of patience, the right tools, and a clear step-by-step guide.

What You’ll Need Before You Begin

To make the installation as smooth as possible, gather the following tools and materials:

  • Adjustable wrench
  • Drill (if installing a new faucet)
  • Teflon tape
  • Bucket or towel for catching water
  • The Everpure H104 system (cartridge, head, and tubing)
  • Optional separate drinking water faucet if not connecting to an existing cold water line

Having everything ready ensures you do not need to stop midway through the project.

Step 1: Choose the Location

The Everpure H104 is designed to be mounted under your sink, typically to the cabinet wall. Select a location where you can easily reach the filter for future cartridge replacements. It should also be close to the cold-water supply line and, if applicable, the dedicated faucet for filtered water.

Make sure there is enough clearance beneath the head assembly so the cartridge can be replaced without obstruction.

Step 2: Shut Off the Water Supply

Turn off the cold-water shut-off valve under the sink. Open your faucet afterward to release any remaining pressure in the line. This prevents water from spilling when you disconnect the line later.

Step 3: Mount the Filter Head

Using the mounting bracket included with your Everpure H104, secure the head assembly to the cabinet wall. Position it so the cartridge will hang vertically and be easy to twist on and off. Use screws that are long enough to hold the filter securely but avoid overtightening.

Step 4: Connect the Tubing

You will now connect the filter system to your cold-water supply line. The Everpure H104 typically uses quick-connect fittings that make installation simple.

  • Attach the inlet side of the filter head to the cold-water supply.
  • Attach the outlet side to the line going to your dedicated drinking water faucet (or directly to your existing cold line if you are not using a separate faucet).
  • Use Teflon tape on threaded connections to help prevent leaks.

At this stage, double-check that all tubing is firmly seated and secure.

Step 5: Install the Cartridge

Take the H104 cartridge and align it with the head. Twist it into place until it locks securely. The filter cartridge should hang straight down. Do not overtighten, as it is designed to seal with a snug connection.

Step 6: Flush the System

Before drinking from the filter, it is important to flush it. Turn the cold-water supply back on and open the faucet connected to your filter. Allow water to run through the system for at least five minutes. This step removes air, clears out any carbon dust, and primes the filter for use.

Check carefully for leaks around all connections while flushing. If you notice drips, turn the water off, tighten the fittings slightly, and try again.

Step 7: Enjoy Fresh, Filtered Water

Once flushed, your Everpure H104 is ready to provide clean, refreshing water. Whether you are drinking it straight, using it in cooking, or brewing coffee and tea, the difference in taste is immediate.

Maintenance Tips

To keep your Everpure H104 working at peak performance, remember these key points:

  • Replace the cartridge every year or when water flow begins to slow noticeably.
  • Keep an eye on the system for leaks or signs of wear.
  • When replacing the cartridge, always flush the new filter for several minutes before use.

Why the Everpure H104 is Worth It

Installing the Everpure H104 is not just about better-tasting water. It is also about peace of mind, knowing you have reduced contaminants like chlorine, dirt, and cloudiness in your household supply. The convenience of having fresh water directly from the tap eliminates the need for bottled water and helps reduce plastic waste.

Cleaner water is just a few easy steps away, and installing your Everpure H104 puts control of your water quality directly in your hands.

For more information about Everpure Water System and Home Drinking Water Filtration Please visit: Efilters.

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