The Everpure EV961802 is the OCS2 replacement cartridge for the Everpure QL2-OCS2 system, used by offices and coffee service operators running low-flow coffee brewers. It reduces chlorine taste and odor, particulates, cysts, and scale before the water reaches the brewer. A regular Everpure EV961802 filter replacement keeps that filtration working and helps protect the equipment.
This guide covers the replacement from start to finish, from checking the part number to flushing the new cartridge and running a quick performance check.
Why and When You Should Replace the Filter
The EV961802's performance is tied to its rated capacity. As the media reaches that limit, the cartridge loses its chlorine taste and odor reduction, along with the particulate, cyst, and asbestos reduction it is certified for under NSF/ANSI 42 & 53. It also stops reducing the scale buildup that affects the brewer. The Micro-Pure II media inhibits bacterial growth on the cartridge itself, but the cartridge is not designed to remove bacteria from the water.
To know when to schedule an Everpure EV961802 filter replacement, go by the spec sheet: replace the cartridge when it reaches its rated capacity of 1,500 gallons (3,000 pots) or at least once per year, whichever comes first. Also replace it when pressure falls below 10 psi (0.7 bar), and replace it sooner if flow becomes inconveniently slow. Signs it's time:
- The cartridge has filtered 1,500 gallons (3,000 pots)
- A year has passed since the last replacement
- Flow has become inconveniently slow
- Pressure has dropped below 10 psi (0.7 bar)
Everpure EV961802 Specifications
The Everpure EV961802 (part number EV9618-02) is a quick-change OCS2 cartridge for coffee applications, tested and certified by NSF International against NSF/ANSI Standards 42 and 53. The table below collects the key figures from the manufacturer's spec sheet.
Prepare Your Replacement: Compatibility, Materials & Safety
Verify Filter & System Compatibility
Before an Everpure OCS2 filter replacement, confirm the part number. The EV961802 is the OCS2 replacement cartridge (EV9618-02) specified for the Everpure QL2-OCS2 system (EV927560). Check that number against the head or model tag on your unit and your system's own cartridge listing before you order. Don't assume the EV9618-02 interchanges with other Everpure cartridges.
🔍 Not sure which system you have? Check the head or model tag on your unit, then compare it with the Everpure EV927560 QL2-OCS2 system listing and the EV961802 product page here on BottleFillingStations.com.
🧰 Materials
⚠️ Safety Precautions
Step-by-Step Replacement Guide
🌡️ Operating range: keep the system within 10–125 psi and 35–100°F.
⚠️ Note: The exact release and locking motion depends on the filter head, so follow the instructions on the cartridge label for your head.
💧 Order the EV961802 Replacement Cartridge
Signs Your New Filter Is Not Installed Correctly
After the replacement, watch for these signs that something needs another look:
- Leaks or drips at the cartridge or fittings: a connection or the cartridge itself may not be fully seated.
- Cartridge sits crooked or isn't hanging vertically: the cartridge is meant to be installed vertically, hanging down from the head.
- Cartridge doesn't seem fully seated: recheck it against the cartridge change instructions for your system's head.
- Flow stays slow or sputters after the flush: some air at first is expected, but flow should settle once the flush is complete.
- Pressure reads below 10 psi: that's under the minimum operating pressure for the cartridge.
- Taste or odor doesn't improve after flushing: confirm the full flush was completed before judging the water.
What to Expect After Installing the New Filter
When water first runs through a new cartridge, some air and fine carbon particles can come through. That's normal, and the flush is there to purge them. Run water through the cartridge at full flow for 3 minutes before using it.
If the water hasn't cleared or flow is still slow after flushing, recheck the cartridge seating and the connections first. Then confirm the supply pressure is at or above the 10 psi minimum, and follow the cartridge change instructions for your system's head.
Once the 3-minute flush is complete, run a quick performance check:
- Steady flow: water runs evenly, without sputtering.
- No leaks: the cartridge, fittings, and tubing stay dry.
- Clean-tasting coffee water: chlorine taste and odor should be reduced.
If any of these checks fall short, go back through Signs Your New Filter Is Not Installed Correctly.
Official Installation Reference
Everpure's spec sheet for the EV961802 lists the cartridge's certifications, operating limits, installation tips, and replacement guidance in one place:
Maintenance Tips for Longer Filter Life
These habits help avoid early clogging and scale buildup, and help protect the brewer between replacements:
- Replace on schedule: follow the capacity, annual, and early-replacement guidance in Why and When You Should Replace the Filter.
- Inspect fittings and tubing: check them periodically for leaks, and reseat any connection that drips.
- Stay within operating limits: keep the water supply within the pressure and temperature range in Prepare Your Replacement.
- Keep the clearance open: leave the space below the cartridge free, as described in Prepare Your Replacement, so the next change is easy.
- Clean the exterior: wipe exterior surfaces with a mild, non-abrasive cleaner.
Where to Buy Genuine Everpure EV961802
The NSF/ANSI 42 and 53 certification listed on Everpure's spec sheet applies to the genuine EV9618-02 cartridge. Counterfeit, aftermarket, or "compatible" cartridges aren't covered by it, so buy from BottleFillingStations.com or another authorized Everpure seller. Before you order, match the part number EV9618-02 on both the cartridge and the listing.
Buy the Everpure EV961802 Cartridge here on BottleFillingStations.com. For regular Everpure OCS2 filter replacement, the EV961807 6-pack carries the same OCS2 cartridge in a larger quantity.
Troubleshooting & FAQ
The new EV961802 cartridge is leaking. What's wrong?
The cartridge or a connection is most likely not fully seated. Shut off the water, check the cartridge seating, and reseat any fitting that drips, using the checks in Signs Your New Filter Is Not Installed Correctly.
The old cartridge is hard to remove.
Make sure the water supply is shut off, as in Step 2 of the Step-by-Step Replacement Guide. Removal depends on the filter head, so follow the cartridge change instructions for your system's head.
Flow through the cartridge is slow.
Check that the supply pressure meets the minimum listed in Prepare Your Replacement. If flow has slowed gradually over time, the cartridge may be due for replacement, so check the schedule in Why & When You Should Replace the Filter.
How do I confirm I'm buying the right cartridge for my system?
Match the part number EV9618-02 to what your system calls for. The full compatibility details are in Prepare Your Replacement, and the replacement schedule is in Why & When You Should Replace the Filter.
Related Products
Keep extra OCS2 cartridges on hand, or look at the QL2-OCS2 coffee filtration system that uses them. Check the part number your system calls for before ordering.
The same EV9618-02 OCS2 cartridge in a 6-pack, so genuine replacements are ready for the next few changes.
View Product →The same OCS2 cartridge in a 12-pack, suited to facilities running multiple filtration systems.
View Product →A complete Everpure coffee filtration system for office coffee service applications. It takes the EV9618-02 OCS2 cartridge as its replacement.
View Product →Conclusion
Once the part number is confirmed, replacing the Everpure EV961802 OCS2 Cartridge is a short, simple job that needs no specialized tools, followed by a flush before the water goes back into use.
Replace the cartridge on the schedule in Why & When You Should Replace the Filter, and flush every new cartridge before use. Keeping to both helps deliver clean, better-tasting water to the brewer and protects it from scale buildup.