Mounted directly in the secondary drain port of the primary pan. It is a high-amperage, solid-state switch with no moving parts to break down or become clogged and the low profile design makes it easy to install and does not interfere with drain lines coming from the HVAC unit.

• 5 amp high-capacity sensor designed for secondary drains.
• Eliminates false shut-offs caused by trapped condensation.
• 2 in 1 secondary drain + secondary pan sensor.
• Moisture detection LED alerts you to problems.