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$14.00In stock
Gate water under software control. A normally-closed solenoid valve fails safe (shut on power loss), so a soil reading plus a relay gives you a closed-loop watering system that won't flood.
- 12 V normally-closed (fail-safe)
- Barbed fittings
- Low power draw
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Works with

Sensors
Soil Moisture Sensors
Corrosion-proof capacitive probes that trigger watering off real substrate moisture.
$6.50

Relays & Automation
4 Channel Relay
Four isolated relays — the sweet spot for a typical single-zone grow node.
$9.95

Power
24V Power Supplies
Clean, protected 24 V for solenoids, larger pumps, and industrial sensors.
$19.00