Ensure the reliability and performance of your vehicle's braking system with the Bendix BW 800476 R-12DC Air Brake Relay Valve, featuring a double check valve for added safety. The Bendix brand is synonymous with quality and durability, making this relay valve an ideal choice for maintaining optimal brake function. With manufacturer part number 909828, you can trust that this component is designed to fit seamlessly and operate efficiently. This air brake relay valve is a crucial part of your vehicle's plumbing system, responsible for regulating the air pressure and flow necessary for effective braking. By incorporating a double check valve, it provides an extra layer of protection against leaks and pressure drops, ensuring a safer and more consistent braking experience. Whether you're managing a fleet or maintaining your own vehicle, this Bendix relay valve is an essential investment for dependable braking performance.