How To: Restart Your Water Fountain

OASIS Tech Services August 29, 2023

How to Guide:
Restarting PG8AC Drinking Fountain.

It’s that exciting time of year again – Back-to-School season! OASIS is here to help give the school year a refreshing start with recommended instructions for bringing a cooler back into service after being shut down.

Our step-by-step guide will help you safely restart your indoor drinking fountain. If you have any questions or need direct help, our Technical Services team is here to assist you.

Supplies Required for the OASIS PG8AC unit

Disinfectant wipes or food grade disinfectant
Latex or nitrile gloves
T 15 Torx Screwdriver
Bucket
¼” Union part #028605-101

Step 1: Unplug Unit

Remove front cover (if necessary) to access electric plug
Unplug from outlet

Step 2: Prep Cooler

Shut off water valve – note this is for example only, actual valves can differ
Press dispense pad until water stops to depressurize

Step 3: Bypass the Filter (if applicable)

This is a great time to change the filter cartridge
Remove the tubing from the filter head

Step 4: Draining the Cold Tank

Depress the collet and remove the drain plug

Allow tank to drain to completely into bucket.

Note – Some models may have a cap instead of a plug.

Step 5: Closing the Tank Drain

Insert the plug into the union fitting to close the tank drain

Insert the cap onto the drain line to close the tank drain

Ensure cap is closed

Step 6: 1st Flush Cycle

Turn ON water supply
Depress pad until water fills the cold tank and runs consistently, allow approximately 2 gallons

Step 7: Repeat Draining the Cold Tank

Shut off water supply
Depressurize drinking fountain

Remove drain plug on tank

Drain into bucket

Step 8: 2nd Flush Cycle

Turn ON water supply
Run 2 more gallons through the unit

Step 9: Reconnect the Filter (if applicable)

Shut off water and depressurize the unit once more
Note – It is recommended to properly flush the replacement filter cartridge before connecting to the cooler
Remove lines from union
Reinsert the tubing into the filter head

Step 10: Flushing Complete

Turn ON water supply
Run water by depressing the dispense pad
Plug unit back into outlet

Step 11: Sanitizing the Exterior

Clean the top of the unit, push pads and bubbler with disinfectant wipes

Support is available for direct assistance from our experts. Contact us at tech@oasiscoolers.com or call 800.646.2747.

Need Assistance? Our Tech Dept can help!

Contact OASIS

About the Author

OASIS Tech Services

The OASIS Technical Services Department is a team of highly skilled product support experts dedicated to delivering exceptional guidance and service across our hydration solutions. With decades of combined experience in filtration systems, electrical and mechanical design, and installation practices, the team plays a key role in product innovation and customer success.

Their insights reflect real-world applications, troubleshooting expertise, and a deep understanding of how to implement safe, sustainable, and long-lasting hydration systems. Whether supporting distributors, facility managers, or end users, the Technical Services team helps ensure “Water Where You Need It”—with confidence and clarity.

How To: Restart Your Water Fountain

How to Guide:
Restarting PG8AC Drinking Fountain.

Step 1: Unplug Unit

Step 2: Prep Cooler

Step 3: Bypass the Filter (if applicable)

Step 4: Draining the Cold Tank

Step 5: Closing the Tank Drain

Step 6: 1st Flush Cycle

Step 7: Repeat Draining the Cold Tank

Step 8: 2nd Flush Cycle

Step 9: Reconnect the Filter (if applicable)

Step 10: Flushing Complete

Step 11: Sanitizing the Exterior

Need Assistance? Our Tech Dept can help!

About the Author

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How To: Restart Your Water Fountain

How to Guide: Restarting PG8AC Drinking Fountain.

Step 1: Unplug Unit

Step 2: Prep Cooler

Step 3: Bypass the Filter (if applicable)

Step 4: Draining the Cold Tank

Step 5: Closing the Tank Drain

Step 6: 1st Flush Cycle

Step 7: Repeat Draining the Cold Tank

Step 8: 2nd Flush Cycle

Step 9: Reconnect the Filter (if applicable)

Step 10: Flushing Complete

Step 11: Sanitizing the Exterior

Need Assistance? Our Tech Dept can help!

About the Author

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How to Guide:
Restarting PG8AC Drinking Fountain.