Mechanical Water Timer with Flow Control black and has the standard color-coded

and has the standard color-coded wiring as most thermostats

They do not cause phytotoxicity to the flowers

Trust the Hanna GroLine HI981420 Nutrient Monitor for reliable

5 conversion factor

with the ability to manage two circuits for a total of 120 fixtures

Mechanical Water Timer with Flow Control black and has the standard color-codedThe Gardena water timer automatically switches off your garden irrigation. The unit is simply connected to the tap & can easily be operated using the large rotary element. The operation of a sprinkler or drip irrigation system can be initiated manually. The watering duration of between 5 & 120 Min is set on the water timer. After the pre set time has expired, the water flow will stop automatically. No batteries are required for operation.