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Elkay 51300C Filter Replacement Instructions

Learn how to replace an Elkay 51300C filter with step-bystep instructions below.

Disconnect
Step 1

Disconnect

Disconnect the power to the unit to avoid the risk of electric shock.

Mount
Step 2

Mount

Securely mount the filter head to the provided bracket, ensuring the filter cartridge is positioned above the head.

Connect
Step 3

Connect

Connect the water inlet and outlet tubes to the filter head.

Shut off
Step 4

Shut off

Shut off the water supply before starting the installation to prevent leaks.

Remove
Step 5

Remove

If replacing an old filter, turn it 1/4 turn to the left to remove it.

Insert
Step 6

Insert

Insert the new filter into the filter head and turn it ¼ turn to the right until it locks into place, with the front label clearly visible.

Restore
Step 7

Restore

Turn the water supply back on after the new filter is securely installed.

Flush
Step 8

Flush

Dispense water for 10 minutes to remove air and fine carbon particles from the system.

How to Replace the 51300C Filter: Watch Video

Follow this simple video guide to replace your Elkay 51300C filter correctly and safely.

Need a New Filter?

Choose the genuine Elkay 51300C for the right fit and automatic filter reset.

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Elkay 51300C Filter Replacement: When to Change, & How Long It Lasts (2026 Guide)

Elkay 51300C Filter Replacement: When to Change, & How Long It Lasts (2026 Guide)

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Maintenance

Follow these care recommendations to keep your unit performing properly.

Replace

Replace the filter after 3,000 gallons of use or 1 year, whichever comes first.

Flush

Flush the system by dispensing water for 10 minutes after replacing the filter.

Inspect

Regularly inspect the system for leaks in the water connections and make sure the water pressure stays within 20-105 psi.

Clean

Clean the exterior of the unit with a soft cloth and mild detergent, avoiding abrasive cleaners.

Winterize

If installed in an area prone to freezing, winterize the unit to protect the filter from damage.

Service

For service or repairs, consult the manual or contact a certified service representative.

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Get the correct Elkay 51300C filter before completing your installation.

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Frequently Asked Questions

To replace the filter, disconnect power where required, shut off the water supply, relieve pressure, and turn the old cartridge one-quarter turn to remove it. Insert the new cartridge into the filter head, turn it one-quarter turn until it locks securely, and restore the water supply. Follow the complete Elkay 51300C filter replacement instructions for additional guidance.

The replacement itself can typically be completed in approximately 10–15 minutes, although the total maintenance time may be longer when access-panel removal, system flushing, leak inspection, and indicator-light resetting are included.

Replace the Elkay 51300C after 3,000 gallons of use or 12 months, whichever comes first. High-traffic facilities may reach the filter’s capacity sooner. The unit’s yellow or red status light, reduced water flow, or changes in taste and odor may also indicate that replacement is needed. Read the Elkay 51300C replacement schedule guide for more information

After installing the new filter, dispense water for approximately 10 minutes to remove trapped air and fine carbon particles. Continue checking the connections during flushing to make sure there are no leaks.

Many newer Elkay ezH2O models automatically recognize a genuine replacement filter and reset the filter-status indicator. Older or non-enhanced units may require a manual reset using the unit’s program or reset button. Consult the manual for your exact bottle filling station model before resetting it.

The Elkay 51300C is commonly used with original Elkay bottle filling stations, many ezH2O units, compatible WaterSentry filtration systems, and certain Halsey Taylor hydration units. Always verify the equipment model before purchasing because some enhanced or specialized units use a different cartridge. View the genuine Elkay 51300C replacement filter for compatibility and product details.

Confirm that the cartridge is securely locked with its label visible, restore the water supply, flush the system, and inspect the filter head, tubing, and connections for leaks. The owner’s guide also recommends keeping water pressure within the accepted 20–105 psi range and recording the replacement date for future maintenance.

A genuine cartridge is designed to provide the correct fit, rated 3,000-gallon capacity, certified filtration performance, dependable flow, and compatibility with supported filter-monitoring systems. The 51300C is designed to reduce lead, Class I particulates, and chlorine taste and odor in compatible systems.

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