Usually, the price for irrigation opening is $100 + tax. The price can vary if the system is commercial or big residential.
GET IT NOWBasically, the price for winterization is $100 + tax. The cost can vary if the system is commercial or big residential.
GET IT NOWPrices start at $550 per zone. We use Hunter and Rain Bird materials. 5-year warranty. Parts and labor are included.
GET IT NOWLED fixtures start from $250 due to long lifespan and reduced maintenance costs. Parts & labour are included.
GET IT NOWResidential sod averages $1.10–$3.50 per sq.ft. Commercial starts at $0.75. Labour is included.
GET IT NOWFrench drainage installation cost ranges $25–$40 per foot depending on complexity. Parts and labor are included.
GET IT NOWFull inspection, diagnostics, pressure testing, and system adjustments.
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A rain sensor should interrupt watering after rainfall, but bypass settings, wiring problems, bad placement, and dry sensor discs can stop it from working.
Yes, the rain sensor should stop the sprinkler system after enough rainfall, so if watering continues, something is wrong with the sensor circuit, placement, or controller setting. The most common answer is simple: the timer is in rain-sensor bypass, the wired sensor loop is open or disconnected, the wireless receiver is not paired, or the sensor is mounted where rain cannot reach it. Rain sensors do not measure soil moisture; they react when absorbent discs swell after rainfall. If only a light drizzle happened, the sensor may not trip. If heavy rain fell and the system still ran, test bypass mode, wiring, and sensor activation first.
| Question | Certain Answer |
|---|---|
| Most likely cause | Controller bypass is on, the sensor is not wired correctly, or the wireless receiver is not communicating. |
| Important fact | Rain sensors are switch devices. They interrupt the common/sensor circuit; they do not control each zone separately. |
| Normal or not? | No, it is not normal for scheduled watering to continue after a real rainfall that fully activates the sensor. |
| Best next step | Wet the sensor manually, check the controller sensor status, then confirm the bypass switch is off. |
Many Hunter and Rain Bird controllers have a rain sensor bypass setting. If bypass is on, the system ignores the sensor.
A sensor under a roof overhang, tree canopy, fence cap, or covered porch may not receive enough rainfall to shut the system off.
Wired sensors need a complete circuit. Loose terminals, cut wire, or corrosion can stop the controller from reading the sensor correctly.
Wireless rain sensors can lose signal, need battery replacement, or require pairing between the sensor and receiver.
Rain sensors are simple devices, but the controller setup matters. Some timers show a sensor status icon, while others rely on a bypass switch or jumper. If a sensor was added after installation, the wiring and programming should be checked together.
A rain sensor also does not always stop watering instantly for every condition. It must receive enough rainfall to activate, and then it may stay off until the sensor dries out.
Additional factual note: A working rain sensor saves water by stopping unnecessary cycles, but it must be wired into the controller correctly. Many controllers can run normally even with a failed sensor if the sensor terminals are jumped, bypassed, or ignored in settings.
Additional factual note: Placement matters as much as wiring. A sensor under an eavestrough, porch roof, evergreen canopy, fence cap, or wall overhang may stay dry while the lawn receives rain, so the controller never receives the stop signal.
No, if the rain sensor is working and enough rain has fallen to activate it.
Light rain may not be enough to trigger the sensor, especially if it is partly covered.
Yes, many controllers allow bypass for testing, but it should be returned to active mode after service.
Many do. A weak battery can stop the sensor from communicating with the receiver.
Need help with sprinkler valves, heads, timers, wiring, rain sensors, or low-pressure zones in Toronto or the GTA? A proper diagnosis can prevent wasted water, lawn damage, and repeat repairs.
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