Aquasol AUI – Now available!

Aquasol AUI: Advanced Universal Interlock

The Aquasol AUI (Advanced Universal Interlock) is a multi-layer electrical interlock system that immediately disables chemical feeders when low or no flow is detected in bodies of water.

This safety device helps prevent swimmer injury caused by unintended chlorine gas creation.

Product Features:

  • Stops chemical feed pumps when pool circulation is down.
  • Initiates and saves 30-day challenge tests to ensure interlock function.
  • Easy retrofit; compatible with existing feed equipment.
  • Simple installation process
  • Compatible with residential and commercial properties
  • 100% compliant with MAHC recommendations regarding chemical interlock controls, low/no flow deactivation, and challenge testing.

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User Manual and Installation Instructions:
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Quickstart Guide
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We are happy to answer any inquiries or to process pre-orders!


Phone: 800-444-0675

40+ Years Providing Quality Chemical Automation

Solves Your Pool Chemistry Problems

The Exclusive Aquasol Difference

  • Talk to trained professional staff any time you call
  • Problems are solved over the phone while you are on site
  • The best warranty in the industry; none match it
  • Suitable for indoor and outdoor installations
  • Completely serviceable by pool operators
  • Any controller may be used on any size body of water
  • Industry provider since 1975
  • Don’t settle for second best. Choose Aquasol!

Toll-Free Live Technical Assistance

Monday – Friday

Why Choose Aquasol? Let Our Customers Tell You

Aquasol gives us the same service and support we give to our customers. The best of suppliers!
Tracy Truette

Myrtle Beach, SC, Grave Pools

Have used Aquasols for 20-years – Best choice, best service and support, provides next day service.
Gus Dabney

Largo, FL, Florida Chemical Pools

Aquasol has always provides expert technical support. The partnership has help my business grow 140% over past 13 years.
Ken Walther

Green Bay, WI, Valley Aquatic Solutions

Aquasol service is great-over 98% of problems solved over the phone. Support team is outstanding!
Rand Lapish

North Carolina, Caribbean Pool Service

Almost 300 Aquasols in service over 20 years – Excellent service and parts backup.
Al Wadsworth

Morehead City, NC, Coastal Carolina

We have used Aquasol for 20-years – reliable, service free, customer service is the very best!!
Jeremy Pasell

Charlotte, NC, Water Management Solutions

Aquasol is the most reliable on the market. Service outstanding – excellent support.
Larry Ryczek

Chicago, IL, Halogen Supply

Excellent equipment, very little repair, customer service and warranty are the best!
Buzz Butler

Bozeman, MT, Advanced Technology Products

Been installing Aquasol for 35 years, solid-reliable product.
Ken Watts

Houston, TX, Watts Pool Company