This safety relief valve is designed to protect HVAC systems from overpressure by releasing excess pressure at a predetermined level. With a quarter-inch size, it can fit into various piping systems and is compatible with different refrigerants. The valve's 25 PSI pressure rating ensures that it can handle high-pressure situations without compromising the system's integrity. Made by a reputable manufacturer, this safety relief valve is a reliable choice for HVAC service technicians who prioritize safety and efficiency in their work.