White-Rodgers 1311-103 Zone Valve Freon Standard models are rated for

Standard models are rated for indoor environments

low-resistance electrical connection that simplifies field installation for service technicians

or differential pressure within a set point range of 0

While functionally similar to other SPST controls

40VA Power Rating: Sufficient capacity for standard furnace control boards and multiple 24V accessories

White-Rodgers 1311-103 Zone Valve Freon Standard models are rated forThe White Rodgers 1311 103 is a professional grade, 1" sweat zone valve engineered for precision flow control in hydronic heating systems. Designed for 24v 3 wire configurations, this normally closed valve features a high flow capacity (37 Cv), ensuring minimal resistance in 1 inch ID tubing applications. A critical feature for any veteran installer is the built in auxiliary switch (end switch), which simplifies wiring by providing direct signaling to