57098 Rain Sensor Adjustable to 1/8", 1/4", 1/2", 3/4", 1" rainfall settings. Hygroscopic discs absorb water to activate rainswitch.
- For use with all types of 24 Volt controllers
- 30 feet of connection wire included
- Easy one-step rain gutter mount bracket or can be mounted direct to flat surfaces
- Adjustable vent provides fast or slow disc dry-out, adjustable to your climate
- Normally closed, but can be changed to normally open