WS-1 Wet Switch Leak Detector



Wet Switch

The Wet Switch is a solid state device designed to detect the presence of condensate water overflow. The Wet Switch is placed into the secondary drain pan – a normally dry pan. If the primary drain pan fails, condensate water will overflow into the secondary drain pan. Upon sensing moisture, the Wet Switch will turn the system off (typically the cause of the condensing water) to help prevent damage to carpets, walls, woodwork, ceilings, and other property.

Hydrophilic Pad

The underside of the Wet Switch contains a high tech polymeric fiber to quickly draws water into the sensor array using proven capillary technology.

Integral Feet

Integral Feet raise the hydrophilic pad and sensor array off the drain pan slightly to prevent nuisance tripping, and pan corrosion (metal pans only) from interfering with the sensor array.

Solid State Electronics

Solid state electronics, a proven technology, prevent mechanical failure in an aggressive operating environment.

Multiple Unit Connectivity

A simple series connection allows multiple Wet Switches to be connected and protect a large drainage pan area.

24VAC Control

The industry standard control voltage for residential air conditioning and heating systems is 24VAC.  The Wet Switch uses this standard voltage level.

Double Throw Relay

A double throw relay incorporates isolated contacts for both system cut-off and alarm operation.  Isolation allows use with “electronic” controls where connection to the thermostat circuit is not possible.  The double throw relay also allows the Wet Switch to be used in non-HVAC applications.

Additional information

Weight 2 lbs
Dimensions 5 × 5 × 5 in



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