Installation & Setup

AC Drain Wiz MiniDrain line maintenance
Physical Installation
  • Tools required: PVC cutter + PVC cement
  • Cut once during install, with easy access for maintenance after
  • Clear view into the line to verify cleaning and spot biofilm or high water
~5–10 minutesBasic tools
Start Mini Installation Guide
Installing on a dual drain-line AC unit?Compare the Good, Better, and Best configurations
Good

Baseline Protection

Standard Sensor Switch on the main drain line, secondary line capped. Automatic overflow shutdown on the primary path, which is enough for lower-risk installs.

Better

Protection + Maintenance Access

Standard Sensor on the secondary line, AC Drain Wiz Mini on the main line for flush, air, and vacuum service without cutting PVC, with shutdown still covered.

Best

Dual-Line + Remote Monitoring

Standard Sensor on the secondary line, WiFi Sensor on the main. Both ports are protected, plus alerts and remote monitoring before shutdown.

See the full comparison with diagrams
Wiring a Sensor Switch?Standard and WiFi wire the same way. Where each pair lands, plus the full diagram and PDF
Control (24V AC)

AC unit safety circuit

The control pair: Safety Input and Safety Common.

Power (24V AC)

24V AC source

The power pair: Hot and Common.

Turn off power before installation. Confirm all connections are tight, insulated and wired according to the diagram before powering the system.

See the full wiring diagramDownload the full diagram (PDF)

Not the DIY type? We've got you covered.

Contact us at 83-DRAINWIZ or find a certified installer near you.

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