K-Rain BL-24 4 Station Indoor Bluetooth Controller | BL-24-4

Product Overview

Managing multiple residential or small commercial sites during the peak irrigation season becomes a logistical nightmare when simple controller adjustments require onsite access and manual programming. A malfunctioning or outdated timer leads to dead turf, wasted water, and frustrated clients who expect instant responsiveness. With summer temperatures rising and service schedules tightening, the window for routine maintenance is closing fast. Maintaining a stock of reliable Bluetooth controllers ensures your crews can resolve scheduling issues without waiting on long back-order lead times. Planning ahead with the K-Rain BL-24 prevents project delays and keeps your service routes moving efficiently during the busiest months of the year.

The K-Rain BL-24 offers a significant technical advantage over standard manual timers by utilizing encrypted Bluetooth communication for seamless programming via a smartphone or tablet. This eliminates the need for your crews to navigate complex on-unit menus or deal with damaged physical interfaces. By streamlining the setup process, you reduce labor hours per site and minimize the risk of programming errors that lead to costly callbacks. Equipping your team with this professional-grade controller provides a distinct competitive edge, as you can offer your clients modern remote-access technology at a price point that maintains your margins while ensuring long-term system reliability.

Product Specifications

Available Models & Sizes

The K-Rain BL-24 series is available in 2, 4, and 6 station configurations to suit various residential requirements. For larger commercial sites or outdoor mounting needs, please contact our sales team for information on the BL-KR series or additional weather-resistant enclosure options and bulk pricing.

Key Features

• Bluetooth Smart technology allows full programming and manual operation from up to 30 feet away via the free mobile app.
• Non-volatile memory ensures that all programs and settings are retained during power outages without the need for a battery backup.
• Master valve and pump start relay connection provides integrated control for systems requiring a dedicated water source activation.
• Rain sensor input with bypass switch allows for easy integration of weather sensors to prevent overwatering during rain events.
• Flexible scheduling options include days of the week, even/odd dates, or cyclical intervals to meet specific municipal water restrictions.
• The compact indoor design saves wall space and allows for a clean professional installation in garages or equipment sheds.

Common Applications

• Residential lawn and garden systems
• Municipal parks and public spaces
• Greenhouse and nursery operations
• Commercial landscape irrigation
• Sports turf and golf course maintenance
• Drip irrigation for ornamental planting beds

Installation Notes

Install the BL-24 in an indoor or protected location using the included 24VAC transformer. Secure the unit to the wall using standard mounting hardware and connect the station wires to the terminal block using a small flat-head screwdriver. Ensure all wiring is organized with conduit where required by local electrical codes. Once powered, the unit will be visible in the K-Rain BL application for immediate pairing and configuration. Always test the master valve and individual zone activation through the app before leaving the site to confirm signal strength and valve functionality.