AutoAqua AWC Auto Water Change Lite

The AutoAqua AWC Auto Water Change Lite combines top-off and water-change functions in one compact system, rated for tanks up to 150 gallons, using a smooth-flow DC diaphragm pump that runs dry without damage.

• Best for: tanks up to 150 gallons
• Functions: combined auto top-off (ATO) and auto water change (AWC)
• Sensors: patented dual optical sensors accurate to 1mm, with failsafe backup against overfilling or over-draining
• Interface: LED indicators with 5 preset timer settings
• Design: tool-free pump replacement via a release button; no wires in the reservoir
• Safety: built-in anti-siphon valve; Quick Security Technology (QST) timer for real-time failsafe protection
• Specs: 100-240VAC input, 12VDC/1A output, pump suction height 6.5ft, max flow 3.2 gph (12 lph), max mounting thickness 1/2in, 19.6ft of RO-compatible tubing

Includes: controller, power adapter, quad tube holder, pump holder, prefilter with base, tube clip, 6.5ft + 19.6ft tubing.

Not needing to shut off your return pump during a water change is a genuine convenience here — the system is designed to run alongside normal tank operation rather than requiring you to pause circulation first.

At Marine Concept Supply, all sales are final. Due to the sensitive nature of live animals and aquatic products, we do not accept returns or exchanges under any circumstances. Please review your order carefully before completing your purchase. No Cancellations.

If you have any questions or concerns about your order, please contact us at shop@marineconceptsupply.com and we’ll do our best to assist you.

We Ship UPS and will send tracking as soon as the item ships. 

Return shipping for any approved warranties are not covered and will be subtracted from the approved credit total.

Restock Fees apply to some products, due to their size or a manufacturer policy.Each product with a restock charge is marked online, in the description.

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right