Antelco Back Valve The Antelco Back Valve is a simple, dependable flow-control solution designed for low-pressure irrigation systems. Ideal for grow rooms, greenhouses, nurseries, gardens, and professional irrigation installations, this compact valve lets growers and irrigation professionals manually turn water flow on or off while maintaining a straight-through flow path. Designed for easy operation, the Antelco Back Valve provides straightforward on/off water control for secondary irrigation zones, laterals and individual sections of an irrigation system. Its simple design makes it easy to isolate or redirect water without modifying the entire irrigation layout. The valve is designed to operate at pressures up to 300 kPa, making it well suited for low-pressure irrigation applications. Its Green Back® cap identifies it for standard irrigation use, while UV-stabilized materials help provide long-lasting performance in indoor and outdoor growing environments. Canada Grow Supplies offers the Antelco Back Valve in several connection sizes, including 1/2"- 13 mm, 3/4"- 21 mm and 1"- 25 mm, making it easy to select the appropriate size for different irrigation tubing and system configurations. For proper operation, install the valve in-line with tubing connected to both the inlet and outlet. This configuration makes it particularly useful for secondary zone water diversion and manual flow control throughout drip and micro-irrigation systems. Key Features Simple on/off water-flow control Designed for low-pressure irrigation systems Straight-through flow design Operating pressure up to 300 kPa Green Back® cap for standard irrigation applications Manufactured from durable UV-stabilized materials Designed for in-line installation Tubing connects to both inlet and outlet Helps isolate individual irrigation zones Useful for secondary water diversion Available in 1/2"- 13 mm Available in 3/4"- 21 mm Available in 1"- 25 mm Easy manual operation Suitable for drip and micro-irrigation systems Ideal for grow rooms, greenhouses, nurseries, gardens and landscaping Ideal For The Antelco Back Valve is ideal for growers, gardeners, and irrigation professionals who need a simple, reliable way to manually control water flow in an irrigation system. It is especially useful for dividing an irrigation layout into separate zones, shutting off individual sections during maintenance or redirecting water to specific growing areas. Its straightforward operation allows quick adjustments without complicated control equipment. With multiple connection sizes, durable UV-stabilized construction and reliable low-pressure performance, the Antelco Back Valve provides a practical solution for building, modifying or expanding efficient drip and micro-irrigation systems.