Think twice before you buy an irrigation controller.Here is a comparison between two irrigation controllersHunter Node Battery Operated Controll...
Published on by Bernie Omodei, Owner at Measured Irrigation
Here is a comparison between two irrigation controllers
Hunter Node Battery Operated Controller and Valve / Unpowered Terracotta Valve
Powered by a 9V alkaline battery / Unpowered
Water supply pressure 150 kPa to 1000 kPa / Water supply pressure 10 kPa to 800 kPa
Use for sprinkler irrigation or drip irrigation / Use for sprinkler irrigation or drip irrigation
Use for pressurised irrigation only / Use for gravity feed or pressurised irrigation /
Adjust the duration of the irrigation event / Adjust the irrigation event discharge
Discharge varies with the water pressure / Discharge independent of the water pressure
Adjust the irrigation frequency / Adjust the irrigation frequency
Does not respond to evaporation and rainfall / Responds to on-site evaporation and rainfall
A pump is needed to irrigate from a rainwater tank / Irrigate directly from a rainwater tank
Cost from Dural Irrigation: $189 / Cost from Measured Irrigation: $69