Which type of irrigation controller is designed for heavy-duty use?

• A. Residential
• B. Commercial
• C. Standalone
• D. Soil moisture-based

Answer: (B)

The type of irrigation controller designed for heavy-duty use is the commercial controller. These controllers are specifically built to handle more extensive and complex irrigation systems typically found in larger landscapes, such as parks, golf courses, and commercial properties. They feature advanced programming capabilities, allowing for the scheduling of multiple zones and the ability to integrate with various sensors and weather data to optimize water usage.

In contrast, residential controllers are meant for smaller, simpler systems and may not have the same durability or capacity for extensive programming. Standalone controllers usually operate independently without advanced features, thus limiting their effectiveness in large settings. Soil moisture-based controllers benefit from sensing accurate soil conditions but may not be sufficient for the rigorous demands of a commercial landscape without the robust features a commercial controller offers.