Hunter Irrigation Rain-Clik Wireless Rain Sensor (45645)

Rain-Clik Wireless Rain Sensor — Professional-Grade Controllers

Most rain-sensing devices work by accumulating a set amount of rainfall before a switch is activated that interrupts the circuit from the controller and shuts off the system. In that “accumulation time”, the system will unnecessarily continue to water. This can look especially bad for conservation-conscious municipalities, businesses, and residences.

With built-in Quick Response technology, the Hunter Rain-Clik and Wireless Rain-Clik can command a controller to shut off right when it starts to rain. The Rain-Clik can be mounted on an eave or any flat vertical surface like a wall or fence. A gutter mount is also available that allows for easy installation of the Rain-Clik on the edge of a gutter.

Key Features

• Quick Response™ feature shuts the system off as soon as it starts raining.
• Maintenance-free design with 10-year battery life for Wireless Rain-Clik.
• Adjustable vent ring allows for setting of rese

  The 45645 from Hunter Irrigation is a contractor-trusted choice for residential and commercial landscape systems. Sourced through authorized U.S. distribution and backed by the full manufacturer warranty, it delivers the reliability professionals specify on the job.

  Key Specifications & Features

  • Model / Part Number: 45645
  • Brand: Hunter Irrigation
  • Condition: Genuine factory-new

  Frequently Asked Questions

  Is this sensor compatible with my existing irrigation controller?
  Yes — it works with virtually any 24 VAC irrigation controller that has sensor terminals or can be wired in series with the common wire. Check your controller manual for the sensor input.

  Does this shut off watering automatically?
  Yes. Once the set threshold is reached, the sensor interrupts the watering cycle automatically and resumes normal scheduling after conditions clear.

  Is this a genuine factory-new product?
  Yes — Big Irrigation Supply sells only genuine, factory-new product sourced through authorized distribution, never gray-market or refurbished.

  How quickly does this ship?
  In-stock items ship fast from our U.S. distribution network, typically arriving within 3–7 business days.