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  1. Rain Bird Wireless Rain/Freeze Sensor and Timer Interface | WR2-RFC
    Rain Bird Wireless Rain/Freeze Sensor and Timer Interface | WR2-RFC
    On-Sale $80.53 List Price $144.32
    HLSG SKU: RBLWR2RFC
    SKU: WR2-RFC
  2. Irritrol RFS1000 Wireless Rain/Freeze Sensor Plus
    Irritrol Wireless Rain/Freeze Sensor Plus | RFS1000
    On-Sale $102.13 List Price $215.95
    HLSG SKU: IRRRFS1000
    SKU: RFS1000
  3. Hunter SOLARSYNCSEN Wired Rain Freeze and Sun Sensor
    Hunter SOLARSYNCSEN Wired Rain Freeze and Sun Sensor
    On-Sale $102.02 List Price $170.94
    HLSG SKU: HTRSOLARSYNCSEN
    SKU: SOLARSYNCSEN
  4. Weathermatic RFS5 SmartLine Wireless Rain-Freeze Sensor
    Weathermatic RFS5 SmartLine Wireless Rain-Freeze Sensor
    On-Sale $97.59 List Price $145.95
    HLSG SKU: WMTRFS5
    SKU: RFS5
  5. Hunter MWS-FR Mini Wind/Rain/Freeze Weather Station
    Hunter MWS-FR Mini Wind/Rain/Freeze Weather Station
    On-Sale $248.77 List Price $433.46
    HLSG SKU: HTRMWSFR
    SKU: MWS-FR
  6. Hunter RFC Wired Rain And Freeze Sensor | RFC
    Hunter RFC Wired Rain And Freeze Sensor | RFC
    On-Sale $59.49 List Price $102.77
    HLSG SKU: HTRRFC
    SKU: RFC
  7. Weathermatic Economy Wired On-Site Rain/Freeze Weather Sensor | SLW1
    Weathermatic Economy Wired On-Site Rain/Freeze Weather Sensor | SLW1
    On-Sale $163.36 List Price $190.95
    HLSG SKU: WMCSLW1
    SKU: SLW1
  8. Weathermatic SLW5-Wireless Weather Station 900 mHz
    Weathermatic SLW5-Wireless Weather Station 900 mHz
    On-Sale $354.44 List Price $743.95
    HLSG SKU: WMCSLW5
    SKU: SLW5
  9. Hunter SGM Weather Sensor Gutter Mount
    Hunter SGM Weather Sensor Gutter Mount
    On-Sale $3.82 List Price $6.60
    HLSG SKU: HTRSGM
    SKU: SGM
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The Benefits of Rain & Freeze Sensors

A sprinkler system weather sensor is designed to reduce water waste by preventing your sprinklers from running unnecessarily after it rains or in the cold. This can lead to water conservation and lower utility bills. These sprinkler weather sensors are generally compatible with most sprinkler controllers. They work by connecting to the controller and overriding the schedule when it starts to rain or when the temperature drops. By understanding how rain and freeze sensors work and how to maintain them, you can better protect your sprinkler system and optimize water usage.

Rain & Freeze Sensor FAQs

Where should I install a rain sensor? Where should I install a freeze sensor?

Install a rain sensor in an open, unobstructed area, typically on the roof, a fence, or a pole where it will be exposed to rainfall. Avoid installing it under trees, overhangs, or areas where it may be covered from the rain. Freeze sensors should similarly be installed where they are exposed to the outside air. Make sure to move them away from direct heat sources like vents, which might give a false reading.

Why do I need a freeze sensor for my sprinklers?

A freeze sensor protects your irrigation system from potential damage caused by freezing temperatures, which can lead to cracked pipes or broken sprinkler heads. Additionally, watering in freezing conditions can create dangerous ice on driveways and sidewalks.

Do I need a rain sensor if I have a smart controller?

Many smart controllers use weather data to automatically adjust their watering based on local rain forecasts. However, a physical rain sensor adds a layer of real-time protection, especially in case the weather data is inaccurate or internet connectivity is lost. A sprinkler rain sensor ensures your system responds to actual rainfall.

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